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Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Introductory Chemistry: Concepts and Critical Thinking Chapter 4 Models of the Atom Key Terms 1) What is the term for the weighted average mass of all the naturally occurring isotopes of an element? A) atomic notation B) atomic number C) atomic mass D) mass number E) none of the above Answer: C Section: Key Terms 2) What is the term for a unit of mass exactly equal to 1/12 the mass of a carbon-12 atom? A) atomic mass unit B) hydrogen atom C) neutron D) proton E) none of the above Answer: A Section: Key Terms 3) What is the term for a symbolic method of expressing the composition of an atomic nucleus? A) atomic notation B) atomic number C) atomic mass D) mass number E) none of the above Answer: A Section: Key Terms 4) What is the term for the region of very high density in the center of the atom? A) atomic center B) atomic core C) atomic kernel D) atomic nucleus E) none of the above Answer: D Section: Key Terms 5) What is the term for the value which indicates the number of protons for an atom of a given element? A) atomic notation full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin B) atomic number C) atomic mass D) mass number E) none of the above Answer: B Section: Key Terms 6) What is the term for the atomic model that describes electrons circling the nucleus in an orbit of specific energy? A) Bohr atom B) Rutherford atom C) Thomson atom D) quantum mechanical atom E) none of the above Answer: A Section: Key Terms 7) What is the term for a broad uninterrupted band of radiant energy? A) continuous spectrum B) radiant energy spectrum C) ultraviolet spectrum D) visible spectrum E) none of the above Answer: A Section: Key Terms 8) What is the negatively charged subatomic particle having a negligible mass? A) electron B) neutron C) proton D) quark E) none of the above Answer: A Section: Key Terms 9) What is the term for the shorthand description of the arrangement of electrons by sublevels according to increasing energy? A) atomic notation B) atomic number C) continuous spectrum D) electron configuration E) none of the above Answer: D Section: Key Terms full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 10) What is the term for the collection of narrow bands of light that results from excited atoms of a given element releasing energy? A) continuous spectrum B) electromagnetic spectrum C) emission line spectrum D) radiant energy spectrum E) none of the above Answer: C Section: Key Terms full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 11) What is the term for an orbit that electrons occupy at a fixed distance from the nucleus; designated 1, 2, 3, 4 ...? A) energy level B) orbital C) shell D) subshell E) none of the above Answer: A Section: Key Terms 12) What is the term for an electron energy level that results from splitting a main energy level? A) energy sublevel B) orbital C) shell D) subshell E) none of the above Answer: A Section: Key Terms 13) What is the term for the number of times a light wave travels a complete cycle in one second? A) energy B) frequency C) velocity D) wavelength E) none of the above Answer: B Section: Key Terms 14) What is the term for two atoms of the same element that differ by the number of neutrons in the nucleus? A) atomic mass units B) isotopes C) nucleons D) photons E) none of the above Answer: B Section: Key Terms 15) What is the general term that refers to either visible or invisible radiant energy? A) continuous spectrum B) emission spectrum C) line spectrum D) light E) none of the above full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Answer: D Section: Key Terms full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 16) What is the term for the value which indicates the total number of protons and neutrons in an atom of a given element? A) atomic notation B) atomic number C) atomic mass D) mass number E) none of the above Answer: D Section: Key Terms 17) What is the neutral subatomic particle having an approximate mass of 1 amu? A) electron B) neutron C) proton D) quark E) none of the above Answer: B Section: Key Terms 18) What is the term for the spatial region about the nucleus of an atom where there is a high probability of finding an electron with a given energy? A) electron shell B) electron subshell C) orbital D) quantum level E) none of the above Answer: C Section: Key Terms 19) What is the term for a particle of radiant energy? A) electron B) neutron C) photon D) proton E) none of the above Answer: C Section: Key Terms 20) What is the positively charged subatomic particle having an approximate mass of 1 amu? A) electron B) neutron C) proton D) quark E) none of the above full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Answer: C Section: Key Terms full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 21) What is the term for the atomic model that describes the energy of an electron in terms of its probable location about the nucleus? A) Bohr atom B) nuclear atom C) planetary atom D) quantum mechanical atom E) none of the above Answer: D Section: Key Terms 22) What is the term for the range of light energy extending from short wavelength gamma rays to long wavelength microwaves? A) gamma ray spectrum B) microwave spectrum C) radiant energy spectrum D) visible spectrum E) none of the above Answer: C Section: Key Terms 23) What is the term for the statement that it is impossible to precisely measure both the location and energy of a particle at the same time? A) exclusion principle B) quantum principle C) spectrum rule D) uncertainty principle E) none of the above Answer: D Section: Key Terms 24) What is the term for light energy that appears violet to red? A) infrared spectrum B) radiant energy spectrum C) ultraviolet spectrum D) visible spectrum E) none of the above Answer: D Section: Key Terms 25) What is the term for the distance a light wave travels to complete one cycle? A) energy B) frequency C) velocity D) wavelength full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin E) none of the above Answer: D Section: Key Terms full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Questions for Chapter 4 1) Which of the following of Dalton's proposals is still valid? A) An element is composed of tiny particles called atoms. B) Atoms of different elements combine to form compounds. C) Compounds contain atoms in small whole number ratios. D) all of the above E) none of the above Answer: D Section: 4.1 Dalton Model of the Atom 2) Which of the following of Dalton's proposals is still valid? A) Atoms of different elements combine to form compounds. B) Atoms can combine in small whole number ratios. C) Atoms can combine in more than one whole number ratio. D) all of the above E) none of the above Answer: D Section: 4.1 Dalton Model of the Atom 3) Which of the following of Dalton's proposals is still valid? A) Atoms are indivisible. B) Atoms are indestructible. C) All atoms of an element are identical. D) all of the above E) none of the above Answer: E Section: 4.1 Dalton Model of the Atom 4) According to the Thomson model of the atom, what is the simplest negative particle in an atom? A) alpha B) electron C) neutron D) proton E) none of the above Answer: B Section: 4.2 Thomson Model of the Atom 5) According to the Thomson model, what is the simplest positive particle in an atom? A) alpha B) electron C) neutron D) proton E) none of the above full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Answer: D Section: 4.2 Thomson Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 6) According to the Thomson model, what is the relative charge on an electron? A) -1 B) +1 C) -2 D) +2 E) none of the above Answer: A Section: 4.2 Thomson Model of the Atom 7) According to the Thomson model, what is the relative charge on a proton? A) -1 B) +1 C) -2 D) +2 E) none of the above Answer: B Section: 4.2 Thomson Model of the Atom 8) What do the raisins represent in the raisin pudding model of the atom? A) electrons B) neutrons C) protons D) nuclei E) none of the above Answer: A Section: 4.2 Thomson Model of the Atom 9) What does the pudding represent in the plum pudding model of the atom? A) homogeneous negative charge B) homogeneous positive charge C) heterogeneous negative charge D) heterogeneous positive charge E) none of the above Answer: B Section: 4.2 Thomson Model of the Atom 10) Which of the following subatomic particles is found outside the nucleus? A) electron B) neutron C) proton D) all of the above E) none of the above Answer: A Section: 4.3 Rutherford Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 11) Which of the following subatomic particles are found inside the nucleus? A) electron and neutron B) neutron and proton C) proton and electron D) all of the above E) none of the above Answer: B Section: 4.3 Rutherford Model of the Atom 12) Which of the following subatomic particles are found outside the nucleus? A) electron and neutron B) neutron and proton C) proton and electron D) all of the above E) none of the above Answer: E Section: 4.3 Rutherford Model of the Atom 13) Which subatomic particle has a relative charge of -1 and a mass of ~0 amu? A) alpha B) electron C) neutron D) proton E) none of the above Answer: B Section: 4.3 Rutherford Model of the Atom 14) Which subatomic particle has a relative charge of +1 and a mass of ~1 amu? A) alpha B) electron C) neutron D) proton E) none of the above Answer: D Section: 4.3 Rutherford Model of the Atom 15) Which subatomic particle has a relative charge of 0 and a mass of ~1 amu? A) alpha B) electron C) neutron D) proton E) none of the above Answer: C Section: 4.3 Rutherford Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 16) Using atomic notation, indicate the isotope having 11 p+, 12 n0, and 11 e-. A) Na B) Na C) Na D) Mg E) Mg Answer: B Section: 4.4 Atomic Notation 17) Using atomic notation, indicate the isotope having 26 p+, 32 n0, and 26 e-. A) Fe B) Fe C) Fe D) S E) S Answer: B Section: 4.4 Atomic Notation 18) Using atomic notation, indicate the isotope having 30 p+, 35 n0, and 30 e-. A) Zn B) Zn C) Zn D) Br full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin E) Br Answer: B Section: 4.4 Atomic Notation 19) How many neutrons are in the nucleus of an atom of O? A) 8 B) 10 C) 18 D) 26 E) none of the above Answer: B Section: 4.4 Atomic Notation 20) How many neutrons are in the nucleus of an atom of Co? A) 27 B) 33 C) 60 D) 87 E) none of the above Answer: B Section: 4.4 Atomic Notation 21) How many neutrons are in the nucleus of an atom of Sn? A) 50 B) 68 C) 118 D) 168 E) none of the above Answer: B Section: 4.4 Atomic Notation 22) How many neutrons are in the nucleus of an atom of iron-56? A) 26 B) 30 C) 56 D) 82 E) none of the above Answer: B full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: 4.4 Atomic Notation 23) How many neutrons are in the nucleus of an atom of copper-65? A) 29 B) 36 C) 65 D) 94 E) none of the above Answer: B Section: 4.4 Atomic Notation 24) How many neutrons are in the nucleus of an atom of silver-107? A) 47 B) 60 C) 107 D) 154 E) none of the above Answer: B Section: 4.4 Atomic Notation 25) How many neutrons are in the nucleus of an atom of 195Pt? A) 78 B) 117 C) 195 D) 273 E) none of the above Answer: B Section: 4.4 Atomic Notation 26) How many neutrons are in the nucleus of an atom of 200Hg? A) 80 B) 120 C) 200 D) 280 E) none of the above Answer: B Section: 4.4 Atomic Notation 27) What is the current reference isotope for the atomic mass scale? A) hydrogen-1 B) helium-4 C) carbon-12 D) oxygen-16 E) none of the above full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Answer: C Section: 4.5 Atomic Mass 28) What is the assigned mass of the reference isotope for the atomic mass scale? A) 1.01 amu B) 4.00 amu C) 12.01 amu D) 16.00 amu E) 12 amu exactly Answer: E Section: 4.5 Atomic Mass full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 29) Why are atomic masses expressed on a relative atomic mass scale? A) Atoms are electrically positive. B) Atoms are electrically neutral. C) Atoms are too reactive to weigh directly. D) Atoms are too small to weigh directly. E) none of the above Answer: D Section: 4.5 Atomic Mass 30) Given that the only naturally occurring isotope of sodium is 23Na, what is its isotopic mass? (Hint: Refer to the Periodic Table.) A) 11.00 amu B) 11.99 amu C) 12.00 amu D) 22.99 amu E) 34.99 amu Answer: D Section: 4.5 Atomic Mass 31) Given that the only naturally occurring isotope of aluminum is 27Al, what is its isotopic mass? (Hint: Refer to the Periodic Table.) A) 13.00 amu B) 13.98 amu C) 14.00 amu D) 26.98 amu E) 39.98 amu Answer: D Section: 4.5 Atomic Mass 32) Given that the only naturally occurring isotope of gold is 197Au, what is its isotopic mass? (Hint: Refer to the Periodic Table.) A) 79.00 amu B) 117.97 amu C) 118.00 amu D) 196.97 amu E) 275.97 amu Answer: D Section: 4.5 Atomic Mass 33) Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu). Calculate the atomic mass of element X given the abundance of X-7 is 92.5%. A) 6.09 amu B) 6.50 amu full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin C) 6.52 amu D) 6.94 amu E) 12.5 amu Answer: D Section: 4.5 Atomic Mass 34) Element Y has two natural isotopes: Y-63 (62.940 amu) and Y-65 (64.928 amu). Calculate the atomic mass of element Y given the abundance of Y-63 is 69.17%. A) 63.55 amu B) 64.00 amu C) 64.32 amu D) 107.85 amu E) 108.46 amu Answer: A Section: 4.5 Atomic Mass 35) Element Z has two natural isotopes: Z-79 (78.918 amu) and Z-81 (80.916 amu). Calculate the atomic mass of element Z given the abundance of Z-81 is 49.31%. A) 79.00 amu B) 79.90 amu C) 80.00 amu D) 119.93 amu E) 120.92 amu Answer: B Section: 4.5 Atomic Mass 36) Lithium occurs naturally as 6Li and 7Li . Which isotope is more abundant? (Hint: Refer to the Periodic Table.) A) lithium-3 B) lithium-4 C) lithium-6 D) lithium-7 E) none of the above Answer: D Section: 4.5 Atomic Mass 37) Boron occurs naturally as 10B and 11B. Which isotope is more abundant? (Hint: Refer to the Periodic Table.) A) boron-5 B) boron-6 C) boron-10 D) boron-11 E) none of the above Answer: D full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: 4.5 Atomic Mass 38) Copper occurs naturally as Periodic Table.) A) copper-34 B) copper-36 C) copper-63 D) copper-65 E) none of the above Answer: C Section: 4.5 Atomic Mass 63Cu and 65Cu. Which isotope is more abundant? (Hint: Refer to the 39) Which of the following colors of light has the longest wavelength? A) violet B) blue C) orange D) red E) All colors have the same wavelength. Answer: D Section: 4.6 The Wave Nature of Light 40) Which of the following colors of light has the shortest wavelength? A) violet B) green C) yellow D) red E) All colors have the same wavelength. Answer: A Section: 4.6 The Wave Nature of Light 41) Which of the following types of radiation has the longest wavelength? A) X rays B) ultraviolet C) visible D) infrared E) All radiation has the same wavelength. Answer: D Section: 4.6 The Wave Nature of Light 42) Which of the following colors of light has the highest frequency? A) violet B) green C) yellow D) red full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin E) All colors have the same frequency. Answer: A Section: 4.6 The Wave Nature of Light 43) Which of the following wavelengths of light has the lowest frequency? A) 440 nm B) 470 nm C) 540 nm D) 650 nm E) All wavelengths have the same frequency. Answer: D Section: 4.6 The Wave Nature of Light full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 44) Which of the following types of radiation has the highest frequency? A) X rays B) ultraviolet C) visible D) infrared E) All radiation has the same frequency. Answer: A Section: 4.6 The Wave Nature of Light 45) Which of the following colors of light has the highest energy? A) violet B) blue C) green D) red E) All colors have the same energy. Answer: A Section: 4.6 The Wave Nature of Light 46) Which of the following wavelengths of light has the lowest energy? A) 440 nm B) 470 nm C) 540 nm D) 650 nm E) All wavelengths have the same energy. Answer: D Section: 4.6 The Wave Nature of Light 47) Which of the following types of radiation has the highest energy? A) X rays B) ultraviolet C) visible D) infrared E) All radiation has the same energy. Answer: A Section: 4.6 The Wave Nature of Light 48) Which of the following colors of light has the highest velocity? A) red B) orange C) yellow D) green E) All colors have the same velocity. Answer: E Section: 4.6 The Wave Nature of Light full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 49) Which of the following wavelengths has the lowest velocity? A) 440 nm B) 470 nm C) 540 nm D) 650 nm E) All wavelengths have the same velocity. Answer: E Section: 4.6 The Wave Nature of Light 50) Which of the following types of radiation has the highest velocity? A) X rays B) ultraviolet C) visible D) infrared E) All radiation has the same velocity. Answer: E Section: 4.6 The Wave Nature of Light 51) Which of the following wavelengths of light is in the visible region of the radiant energy spectrum? A) 250 nm B) 550 nm C) 850 nm D) all of the above E) none of the above Answer: B Section: 4.6 The Wave Nature of Light 52) Which of the following wavelengths of light is in the infrared region of the radiant energy spectrum? A) 180 nm B) 380 nm C) 580 nm D) 780 nm E) all of the above Answer: D Section: 4.6 The Wave Nature of Light 53) Which of the following wavelengths of light is in the ultraviolet region of the radiant energy spectrum? A) 380 nm B) 580 nm C) 780 nm D) 980 nm E) all of the above Answer: A full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: 4.6 The Wave Nature of Light full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 54) Which of the following is an example of a quantized change in energy? A) a ball rolling up a ramp B) a ball rolling down a ramp C) a ball rolling down a flight of stairs D) a ball rolling across a playground E) none of the above Answer: C Section: 4.7 The Quantum Concept 55) Which of the following instruments produces quantized musical notes? A) cello B) guitar C) piano D) violin E) all of the above Answer: C Section: 4.7 The Quantum Concept 56) Which of the following instruments produces quantized musical notes? A) banjo B) harp C) keyboard D) ukulele E) all of the above Answer: C Section: 4.7 The Quantum Concept 57) Which of the following instruments provides a quantized measurement? A) meter stick B) beam balance C) 100-mL beaker D) digital clock E) none of the above Answer: D Section: 4.7 The Quantum Concept 58) Which of the following instruments provides a quantized measurement? A) metric ruler B) electronic balance C) graduated cylinder D) sweep-second watch E) none of the above Answer: B Section: 4.7 The Quantum Concept full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 59) Which of the following is evidence for an electron quantum jump? A) infrared spectrum B) line spectrum C) ultraviolet spectrum D) visible spectrum E) none of the above Answer: B Section: 4.7 The Quantum Concept 60) How many photons of light are emitted when the electron in a hydrogen atom drops from energy level 3 to 1? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: A Section: 4.8 Bohr Model of the Atom 61) How many photons of light are emitted when the electron in a hydrogen atom drops from energy level 4 to 2? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: A Section: 4.8 Bohr Model of the Atom 62) How many photons of light are emitted when the electron in a hydrogen atom drops from energy level 5 to 3? A) 1 B) 2 C) 3 D) 5 E) none of the above Answer: A Section: 4.8 Bohr Model of the Atom 63) How many photons of light are emitted when the electrons in 10 hydrogen atoms drop from energy level 3 to 1? A) 1 B) 10 C) 20 full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin D) 30 E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 64) How many photons of light are emitted when the electrons in 10 hydrogen atoms drop from energy level 4 to 2? A) 1 B) 10 C) 20 D) 40 E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom 65) How many photons of light are emitted when the electrons in 10 hydrogen atoms drop from energy level 5 to 3? A) 1 B) 10 C) 30 D) 50 E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom 66) Which of the following produces the "atomic fingerprint" of an element? A) excited electrons jumping to a higher energy level B) excited electrons dropping to a lower energy level C) excited protons jumping to a higher energy level D) excited protons dropping to a lower energy level E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom 67) In 1895 lines were observed in the spectrum of uranium ore identical to those of helium in the spectrum of the Sun. Which of the following produced the lines in the helium spectrum? A) excited electrons jumping to a higher energy level B) excited electrons dropping to a lower energy level C) excited protons jumping to a higher energy level D) excited protons dropping to a lower energy level E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom 68) In 1861 a green line was observed in the spectrum of selenium ore that led to the discovery of the element thallium. Which of the following was responsible for the green line in the spectrum? A) excited electrons jumping to a higher energy level B) excited electrons dropping to a lower energy level C) excited protons jumping to a higher energy level full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin D) excited protons dropping to a lower energy level E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 69) Which of the following energy-level changes for an electron is most energetic? A) 3 → 1 B) 4 → 1 C) 5 → 1 D) 6 → 1 E) All changes have the same energy. Answer: D Section: 4.8 Bohr Model of the Atom 70) Which of the following energy-level changes for an electron is most energetic? A) 2 → 1 B) 3 → 2 C) 4 → 3 D) 5 → 4 E) All changes have the same energy. Answer: A Section: 4.8 Bohr Model of the Atom 71) Which of the following energy-level changes for an electron is least energetic? A) 2 → 1 B) 3 → 2 C) 4 → 3 D) 5 → 4 E) All changes have the same energy. Answer: D Section: 4.8 Bohr Model of the Atom 72) Which of the following energy level changes in a hydrogen atom produces a visible spectral line? A) 3 → 2 B) 4 → 2 C) 5 → 2 D) all of the above E) none of the above Answer: D Section: 4.8 Bohr Model of the Atom 73) Which of the following energy level changes in a hydrogen atom produces a visible spectral line? A) 3 → 1 B) 4 → 2 C) 5 → 3 D) all of the above E) none of the above Answer: B Section: 4.8 Bohr Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 74) Which of the following energy level changes in a hydrogen atom produces a visible spectral line? A) 2 → 1 B) 3 → 1 C) 4 → 1 D) all of the above E) none of the above Answer: E Section: 4.8 Bohr Model of the Atom 75) What type of radiation is emitted when an electron in a hydrogen atom drops from energy level 5 to 2? A) infrared B) visible C) ultraviolet D) X ray E) gamma ray Answer: B Section: 4.8 Bohr Model of the Atom 76) What type of radiation is emitted when an electron in a hydrogen atom drops from energy level 5 to 1? A) infrared B) visible C) ultraviolet D) X ray E) gamma ray Answer: C Section: 4.8 Bohr Model of the Atom 77) What type of radiation is emitted when an electron in a hydrogen atom drops from energy level 5 to 4? A) infrared B) visible C) ultraviolet D) X ray E) gamma ray Answer: A Section: 4.8 Bohr Model of the Atom 78) How many energy sublevels exist within the 1st principal energy level? A) 1 B) 2 C) 3 D) 4 full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin E) none of the above Answer: A Section: 4.9 Energy Levels and Sublevels full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 79) How many energy sublevels exist within in the 2nd principal energy level? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: B Section: 4.9 Energy Levels and Sublevels 80) How many energy sublevels exist within the 3rd principal energy level? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: C Section: 4.9 Energy Levels and Sublevels 81) How many energy sublevels exist within the 4th principal energy level? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: D Section: 4.9 Energy Levels and Sublevels 82) What is the maximum number of electrons that can occupy an s energy sublevel? A) 2 B) 6 C) 10 D) 14 E) none of the above Answer: A Section: 4.9 Energy Levels and Sublevels 83) What is the maximum number of electrons that can occupy a p energy sublevel? A) 2 B) 6 C) 10 D) 14 E) none of the above Answer: B Section: 4.9 Energy Levels and Sublevels full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 84) What is the maximum number of electrons that can occupy a d energy sublevel? A) 2 B) 6 C) 10 D) 14 E) none of the above Answer: C Section: 4.9 Energy Levels and Sublevels 85) What is the maximum number of electrons that can occupy an f energy sublevel? A) 2 B) 6 C) 10 D) 14 E) none of the above Answer: D Section: 4.9 Energy Levels and Sublevels 86) What is the maximum number of electrons that can occupy the 1st principal energy level? A) 1 B) 2 C) 4 D) 8 E) none of the above Answer: B Section: 4.9 Energy Levels and Sublevels 87) What is the maximum number of electrons that can occupy the 2nd principal energy level? A) 1 B) 2 C) 4 D) 8 E) none of the above Answer: D Section: 4.9 Energy Levels and Sublevels 88) What is the maximum number of electrons that can occupy the 3rd principal energy level? A) 1 B) 2 C) 4 D) 8 E) none of the above Answer: E Section: 4.9 Energy Levels and Sublevels full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 89) What is the maximum number of electrons that can occupy the 4th principal energy level? A) 1 B) 2 C) 4 D) 8 E) none of the above Answer: E Section: 4.9 Energy Levels and Sublevels 90) Which electron sublevel follows the 4s sublevel according to increasing energy? A) 3p B) 3d C) 4p D) 4d E) 5s Answer: B Section: 4.10 Electroni Configuration 91) Which electron sublevel follows the 3d sublevel according to increasing energy? A) 3s B) 3p C) 4s D) 4p E) 4d Answer: D Section: 4.10 Electroni Configuration 92) Which electron sublevel follows the 4p sublevel according to increasing energy? A) 3d B) 4d C) 4s D) 5s E) 5p Answer: D Section: 4.10 Electroni Configuration 93) Which electron sublevel follows the 5s sublevel according to increasing energy? A) 4p B) 4d C) 5p D) 5d E) 6s Answer: B Section: 4.10 Electroni Configuration full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 94) Which electron sublevel follows the 4d sublevel according to increasing energy? A) 4s B) 4p C) 5s D) 5p E) 5d Answer: D Section: 4.10 Electroni Configuration 95) Which electron sublevel follows the 5p sublevel according to increasing energy? A) 4d B) 5d C) 5s D) 6s E) 6p Answer: D Section: 4.10 Electroni Configuration 96) What is the electron configuration for an atom of fluorine? A) 1s2 2s2 2p3 B) 1s2 2s2 2p5 C) 1s2 2s2 2p6 3s1 D) 1s2 2s2 2p6 3s2 3p5 E) none of the above Answer: B Section: 4.10 Electroni Configuration 97) What is the electron configuration for an atom of silicon? A) 1s2 2s2 2p4 B) 1s2 2s2 2p6 3s2 C) 1s2 2s2 2p6 3s2 3p2 D) 1s2 2s2 2p6 3s2 3p4 E) none of the above Answer: C Section: 4.10 Electroni Configuration 98) What is the electron configuration for an atom of nickel? A) 1s2 2s2 2p6 3s2 3p6 3d8 B) 1s2 2s2 2p6 3s2 3p6 4s2 3d8 C) 1s2 2s2 2p6 3s2 3p6 4s2 4p8 D) 1s2 2s2 2p6 3s2 3p6 4s2 4d8 E) none of the above Answer: B full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: 4.10 Electroni Configuration full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 99) Which element has the following electron configuration: 1s2 2s2 2p6 3s2? A) Ca B) Mg C) Na D) Si E) none of the above Answer: B Section: 4.10 Electroni Configuration 100) Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s1? A) Al B) Ca C) K D) Na E) none of the above Answer: C Section: 4.10 Electroni Configuration 101) Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10? A) Ca B) Cd C) Kr D) Zn E) none of the above Answer: D Section: 4.10 Electroni Configuration 102) Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2? A) Ca B) Rb C) Sn D) Sr E) none of the above Answer: D Section: 4.10 Electroni Configuration 103) Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d5? A) Br B) Mn C) Nb D) Tc full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin E) none of the above Answer: D Section: 4.10 Electroni Configuration full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 104) Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p2? A) Sr B) Zr C) Sn D) Hf E) none of the above Answer: C Section: 4.10 Electroni Configuration 105) Which of the following is true of an electron orbit? A) An electron orbit is a fixed energy state. B) An electron orbit represents an energy level. C) An electron orbit may contain eight electrons. D) An electron orbit increases in size with greater energy. E) all of the above Answer: E Section: 4.11 Quantum Mechanical Model of the Atom 106) Which of the following is true of an electron orbital? A) An orbital may not gain or lose energy. B) An orbital represents a probability boundary. C) An orbital represents an energy state of an electron. D) An orbital may contain no more than two electrons. E) all of the above Answer: E Section: 4.11 Quantum Mechanical Model of the Atom 107) Which of the following is true for both an orbit and an orbital? A) An orbit and an orbital always contain two electrons. B) An orbit and an orbital can be described as elliptical. C) An orbit and an orbital represent a fixed energy state. D) An orbit and an orbital represent an electron boundary. E) all of the above Answer: C Section: 4.11 Quantum Mechanical Model of the Atom 108) What term best describes the shape of an s orbital? A) sphere B) dumbbell C) clover D) ellipse E) wave Answer: A full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: 4.11 Quantum Mechanical Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 109) What term best describes the shape of a p orbital? A) sphere B) dumbbell C) clover D) ellipse E) wave Answer: B Section: 4.11 Quantum Mechanical Model of the Atom 110) Which of the following orbitals has a spherical shape? A) 4s B) 4px C) 4dxy D) all of the above E) none of the above Answer: A Section: 4.11 Quantum Mechanical Model of the Atom 111) Which of the following orbitals has a "dumbbell" shape? A) 4s B) 4px C) 4dxy D) all of the above E) none of the above Answer: B Section: 4.11 Quantum Mechanical Model of the Atom 112) Which of the following orbitals is the largest in size? A) 1s B) 2s C) 3s D) 4s E) all s orbitals are the same size Answer: D Section: 4.11 Quantum Mechanical Model of the Atom 113) Which of the following orbitals is the lowest energy? A) 1s B) 2s C) 3s D) 4s E) all s orbitals are the same energy Answer: A Section: 4.11 Quantum Mechanical Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 114) Which of the following orbitals is the highest energy? A) 2px B) 3px C) 4px D) 5px E) all px orbitals are the same energy Answer: D Section: 4.11 Quantum Mechanical Model of the Atom 115) What is the maximum number of electrons in a 4s orbital? A) 1 B) 2 C) 4 D) 6 E) none of the above Answer: B Section: 4.11 Quantum Mechanical Model of the Atom 116) What is the maximum number of electrons in a 4p orbital? A) 1 B) 2 C) 3 D) 6 E) none of the above Answer: B Section: 4.11 Quantum Mechanical Model of the Atom 117) What is the maximum number of electrons in a 4d orbital? A) 1 B) 2 C) 5 D) 10 E) none of the above Answer: B Section: 4.11 Quantum Mechanical Model of the Atom 118) How many orbitals are in the 4s subshell? A) 1 B) 3 C) 4 D) 5 E) none of the above Answer: A full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: 4.11 Quantum Mechanical Model of the Atom full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 119) How many orbitals are in the 4p subshell? A) 1 B) 3 C) 4 D) 5 E) none of the above Answer: B Section: 4.11 Quantum Mechanical Model of the Atom 120) How many orbitals are in the 4d subshell? A) 1 B) 3 C) 4 D) 5 E) none of the above Answer: D Section: 4.11 Quantum Mechanical Model of the Atom 121) What is the approximate diameter of an atom? A) 10-13 cm B) 10-8 cm C) 1 cm D) 108 cm E) 1013 cm Answer: B Section: General Exercises 122) What is the approximate diameter of an atomic nucleus? A) 10-13 cm B) 10-8 cm C) 1 cm D) 108 cm E) 1013 cm Answer: A Section: General Exercises 123) Which of the following statements is true? A) Dalton proposed a "particle model" of matter. B) Thomson proposed a "plum pudding model" of the atom. C) Rutherford proposed a "nuclear model" of the atom. D) Bohr proposed a "planetary model" of the atom. E) all of the above. Answer: E full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Section: General Exercises full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 124) Which of the following elements does not have a stable isotope? (Hint: Refer to the Periodic Table.) A) Ta B) Tc C) Te D) Ti E) none of the above Answer: B Section: General Exercises 125) Which of the following elements does not have a stable isotope? (Hint: Refer to the Periodic Table.) A) Na B) Ne C) Ni D) No E) none of the above Answer: D Section: General Exercises 126) Which of the following elements has at least one stable isotope? (Hint: Refer to the Periodic Table.) A) Ra B) Rf C) Rh D) Rn E) none of the above Answer: C Section: General Exercises 127) Which of the following is the best description of the Bohr atom? A) an indivisible, indestructible particle B) a homogeneous sphere of "plum pudding" C) a sphere with a heavy, dense nucleus surrounded by electrons D) a sphere with a heavy, dense nucleus circled by electrons in orbits E) a sphere with a heavy, dense nucleus surrounded by electron orbitals Answer: D Section: General Exercises 128) An atom can be described by the analogy "like a marble in the Dallas Cowboys Stadium." If the stadium represents an atom, what does the marble represent? A) marble B) electron C) neutron full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin D) nucleus E) proton Answer: D Section: General Exercises full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 129) The scattering of alpha particles by a thin metal foil can be described by the analogy "like a missile shot through our solar system." If the missile represents an alpha particle, what do planets in our solar system represent? A) atoms B) electrons C) neutrons D) nuclei E) protons Answer: D Section: General Exercises 130) If an atom is enlarged to the size of a marble, and a marble is enlarged similarly, what would be the approximate size of the marble? A) a marble, ~1 cm B) a baseball, ~10 cm C) a beach ball, ~100 cm D) Dallas Cowboys Stadium, ~10,000 cm E) the Moon, ~100,000,000 cm Answer: E Section: General Exercises 131) Which of the following represents the quantum nature of matter? A) atom B) electron C) neutron D) photon E) proton Answer: A Section: General Exercises 132) Which of the following represents the quantum nature of electricity? A) atom B) electron C) ion D) photon E) proton Answer: B Section: General Exercises 133) Which of the following represents the quantum nature of light? A) atom B) electron C) ion D) photon full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin E) proton Answer: D Section: General Exercises full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 134) How many energy sublevels theoretically exist in the 5th energy level? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: E Section: General Exercises 135) How many energy sublevels theoretically exist in the 6th energy level? A) 1 B) 2 C) 3 D) 4 E) none of the above Answer: E Section: General Exercises Chemistry Conncection - John Dalton 1) Which of the following was established by John Dalton? A) atomic theory B) quantum theory C) law of conservation of mass D) law of conservation of energy E) law of conservation of mass and energy Answer: A 2) Which of the following was responsible for Dalton's scientific success? A) Dalton inherited great family wealth. B) Dalton taught at a prestigious university. C) Dalton had an excellent scientific education. D) Dalton had meticulous work habits. E) Dalton had political influence. Answer: D 3) How was Dalton able to accept a degree from Oxford dressed in a scarlet robe, when wearing scarlet was forbidden by his Quaker faith? A) Dalton was color-blind and the robe appeared gray. B) Dalton had to refuse the honor. C) Dalton received special permission. D) Dalton was given a private ceremony. E) Dalton ignored his Quaker faith. Answer: A full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin Chemistry Connection - Heavy Water 1) Which of the following refers to a molecule of water in which the hydrogen atoms contain a neutron? A) D2O B) deuterium oxide C) heavy water D) all of the above E) none of the above Answer: D 2) What is the systematic name for heavy water? A) deuterium oxide B) deuterium water C) tritium oxide D) tritium water E) none of the above Answer: A 3) Which of the following physical properties has a higher value for heavy water than for ordinary water? A) molar mass B) melting point C) heat of fusion D) all of the above E) none of the above Answer: D 4) Which of the following physical properties has a lower value for heavy water than for ordinary water? A) density B) boiling point C) heat of vaporization D) all of the above E) none of the above Answer: E 5) Which of the following physical properties is different for ordinary water and heavy water? A) density B) melting point C) molar mass D) all of the above E) none of the above Answer: D full file at http://testbankeasy.com Full file at http://testbankeasy.eu/Test-bank-for-Introductory-Chemistry---Concepts-and-Crit ical-Thinking,-7th-Edition---Corwin 6) Which of the following physiological properties is different for ordinary water and heavy water? A) odor B) taste C) toxicity D) all of the above E) none of the above Answer: C Critical Thinking - Neon Lights 1) Which of the following gaseous elements produces a reddish-purple light in an advertising display? A) helium B) hydrogen C) mercury D) neon E) all of the above Answer: B 2) Which of the following gaseous elements produces pink light in an advertising display? A) helium B) hydrogen C) mercury D) neon E) all of the above Answer: A 3) Which of the following gaseous elements produces blue light in an advertising display? A) helium B) hydrogen C) mercury D) neon E) all of the above Answer: C 4) Which of the following gaseous elements produces a reddish-orange light in an advertising display? A) helium B) hydrogen C) mercury D) neon E) all of the above Answer: D full file at http://testbankeasy.com