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full file at http://testbankcorner.eu Introduction to General, Organic & Biological Chemistry, 12e (Timberlake) Chapter 4 Atoms and Elements 4.1 Multiple-Choice Questions 1) The primary substances of which all other things are composed are ________. A) molecules B) compounds C) elements D) electrons E) protons Answer: C Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 2) Au is the symbol for ________. A) gold B) silver C) argon D) aluminum E) sodium Answer: A Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. Select the correct symbol for the element named. 3) aluminum A) Al B) Am C) Au D) Sn E) Ag Answer: A Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across full file at http://testbankcorner.eu full file at http://testbankcorner.eu 4) iron A) Ir B) Fs C) Fe D) In E) FE Answer: C Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 5) sodium A) So B) Na C) No D) Sm E) Au Answer: B Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 6) mercury A) Mr B) Na C) Au D) Hg E) Ag Answer: D Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 7) potassium A) P B) Po C) Pt D) K E) Ko Answer: D Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across full file at http://testbankcorner.eu full file at http://testbankcorner.eu 8) silver A) S B) Si C) Ag D) Au E) AG Answer: C Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 9) gold A) Go B) Hg C) Ag D) Au E) AU Answer: D Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across 10) Ca is the symbol for A) calcium. B) carbon. C) cobalt. D) copper. E) cadmium. Answer: A Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 11) What elements are in hydroxyapatite, OH, a major compound in human bones and teeth? A) carbon, potassium, oxygen, hydrogen B) calcium, phosphorous, oxygen, hydrogen C) carbon, phosphorous, oxygen, helium D) calcium, phosphorous, oxygen, helium E) carbon, potassium, oxygen, helium Answer: B Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 12) Which of the following is a characteristic of the modern periodic table? A) A group is a horizontal row on the periodic table. B) A period is a column on the periodic table. C) The elements in each group have similar chemical properties. D) The B groups contain the representative elements. E) The A groups contain the transition elements. Answer: C Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 13) Which of the following properties is not a characteristic of the Group 1A (1) elements (alkali metals)? A) They are shiny. B) They are good conductors of heat. C) They react vigorously with water. D) Most of them are liquids at room temperature. E) They are good conductors of electricity. Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 14) The Group 8A (18) elements ________. A) are unreactive and are rarely found in combination with other elements B) are good conductors of electricity C) melt at high temperatures D) are liquids at room temperature E) react vigorously with water Answer: A Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 15) Which of the following elements is a metal? A) nitrogen B) fluorine C) argon D) strontium E) phosphorus Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 16) Which of the following elements is a nonmetal? A) nitrogen B) sodium C) iron D) silver E) calcium Answer: A Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 17) Which of the following elements is a metalloid? A) nitrogen B) lithium C) iron D) gold E) silicon Answer: E Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 18) Which of the following is a characteristic of nonmetals? A) shiny B) malleable C) good conductors of heat D) low melting points E) good conductors of electricity Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 19) Which of the following elements is a noble gas? A) oxygen B) chlorine C) bromine D) argon E) nitrogen Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 20) The elements lithium, sodium, and potassium ________. A) are isotopes of each other B) are in the same period of elements C) have the same number of neutrons D) are in the same group E) have the same mass number Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 21) The elements sodium, magnesium, and silicon ________. A) are isotopes of each other B) are in the same period of elements C) have the same number of neutrons D) are in the same group E) have the same mass number Answer: B Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 22) Which element would have physical and chemical properties similar to chlorine? A) Ar B) Br C) S D) O E) P Answer: B Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 23) What is the symbol of the element in Group 4A (14) and Period 2? A) Be B) Mg C) Ca D) C E) Si Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 24) The element in this list with chemical properties similar to magnesium is ________. A) sodium B) boron C) carbon D) strontium E) chlorine Answer: D Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 25) Identify the noble gas in the following list. A) helium B) nitrogen C) oxygen D) gold E) chlorine Answer: A Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 26) Semiconductors are located in the periodic table on (or in) the ________. A) left side of the table B) right side of the table C) line dividing metals from nonmetals in the table D) first period of the table E) last period of the table Answer: C Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 27) Identify the metalloid in the following list. A) sulfur B) fluorine C) silver D) copper E) germanium Answer: E Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 28) The smallest particle of an element that retains the characteristics of the element is a(n) ________. A) electron B) neutron C) proton D) atom E) nucleus Answer: D Page Ref: 4.3 Learning Obj.: 4.3 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 29) According to the atomic theory, ________. A) all atoms are different B) atoms are neither created nor destroyed during a chemical reaction C) atoms of the same element combine to form compounds D) all matter is made up of tiny particles called electrons E) a compound can contain different numbers of atoms as long as it has the same kinds of atoms Answer: B Page Ref: 4.3 Learning Obj.: 4.3 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 30) Which of the following descriptions of a subatomic particle is correct? A) A proton has a positive charge and a mass of approximately 1 amu. B) An electron has a negative charge and a mass of approximately 1 amu. C) A neutron has no charge and its mass is negligible. D) A proton has a positive charge and a negligible mass. E) A neutron has a positive charge and a mass of approximately 1 amu. Answer: A Page Ref: 4.3 Learning Obj.: 4.3 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 31) In an atom, the nucleus contains ________. A) an equal number of protons and electrons B) all the protons and neutrons C) all the protons and electrons D) only neutrons E) only protons Answer: B Page Ref: 4.3 Learning Obj.: 4.3 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 32) The atomic number of an atom is equal to the number of ________. A) nuclei B) neutrons C) neutrons plus protons D) electrons plus protons E) protons Answer: E Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 33) The number of neutrons in an atom is equal to ________. A) the atomic number B) the mass number C) the mass number + the atomic number D) the mass number - the atomic number E) the number of protons Answer: D Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 34) The mass number of an atom can be calculated from ________. A) the number of electrons B) the number of protons plus neutrons C) the number of protons D) the number of electrons plus protons E) the number of neutrons Answer: B Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 35) What is the mass number of an atom of potassium that has 20 neutrons? A) 15 B) 19 C) 35 D) 39 E) 59 Answer: D Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 36) Consider a neutral atom with 30 protons and 34 neutrons. The atomic number of the element is ________. A) 30 B) 32 C) 34 D) 64 E) 94 Answer: A Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 37) Consider a neutral atom with 30 protons and 34 neutrons. The mass number for this atom is ________. A) 30 B) 32 C) 34 D) 64 E) 94 Answer: D Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 38) Consider a neutral atom with 30 protons and 34 neutrons. The number of electrons in this atom is ________. A) 30 B) 32 C) 34 D) 64 E) 94 Answer: A Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 39) How many protons are in an isotope of sodium with a mass number of 25? A) 11 B) 14 C) 15 D) 25 E) 32 Answer: A Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 40) Consider an isotope of sodium with a mass number of 25. The number of neutrons in this isotope of sodium is ________. A) 11 B) 14 C) 16 D) 25 E) 32 Answer: B Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 41) Which of the following gives the correct numbers of protons, neutrons, and electrons in a neutral atom of Sn? A) 118 protons, 50 neutrons, 118 electrons B) 118 protons, 118 neutrons, 50 electrons C) 50 protons, 68 neutrons, 50 electrons D) 68 protons, 68 neutrons, 50 electrons E) 50 protons, 50 neutrons, 50 electrons Answer: C Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 42) Isotopes are atoms of the same element that have ________. A) different atomic numbers B) the same atomic numbers but different numbers of protons C) the same atomic numbers but different numbers of electrons D) the same atomic number but different numbers of neutrons E) the same atomic mass but different numbers of protons Answer: D Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 43) The correct symbol for the isotope of potassium with 22 neutrons is ________. A) K B) K C) P D) P E) K Answer: A Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 44) The atomic mass of an element is equal to ________. A) its mass number B) its atomic number C) one-twelfth of the mass of a carbon-12 atom D) the mass of an "average atom" E) the mass of the heaviest isotope Answer: D Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 45) A sample of chlorine has two naturally occurring isotopes. The isotope Cl-35 makes up 75.8% of the sample, and the isotope Cl-37 makes up 24.3% of the sample. Which of the following statements is true? A) The atomic mass of chlorine will be less than 35. B) The atomic mass of chlorine will be more than 37. C) You cannot tell what the atomic mass will be. D) The atomic mass will be between 35 and 37. E) The atomic mass will be 24.3. Answer: D Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 46) Which of the following is not true for the atoms 13N, 14N, and 15N? A) They all have the same mass number. B) They are isotopes. C) They all have the same atomic number. D) They all have 7 protons. E) They all have 7 electrons. Answer: A Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 47) The electron arrangement of any particular atom shows ________. A) the number of isotopes possible B) a description of the shape of each electron energy level C) the number of electrons in each energy level D) a diagram of an atomic nucleus E) the maximum number of electrons each energy level can hold Answer: C Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 48) The maximum number of electrons that may occupy the third electron energy level is ________. A) 2 B) 8 C) 10 D) 18 E) 32 Answer: D Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 49) What is the element with the electron arrangement 2,8,7? A) Be B) Cl C) F D) S E) Ar Answer: B Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 50) What is the electron arrangement for aluminum? A) 2,8,3 B) 2,8,5 C) 2,8,7 D) 2,8,8 E) 2,8,10 Answer: A Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 51) What is the electron arrangement for potassium (atomic number 19)? A) 2,8,9 B) 2,8,7,2 C) 2,10,7 D) 2,8,8,1 E) 2,8,6,3 Answer: D Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 52) What element has the electron arrangement 2,8,4? A) carbon B) oxygen C) sulfur D) iron E) silicon Answer: E Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 53) The number of electrons in the outer energy level of a neutral atom of boron (atomic number 5) is ________. A) 2 B) 3 C) 5 D) 8 E) 10 Answer: B Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 54) What is the correct electron arrangement for the lithium atom? A) 3 B) 3,1 C) 1,2 D) 2,1 E) 2,5 Answer: D Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 55) The number of electron energy levels in a magnesium atom is ________. A) 1 B) 2 C) 3 D) 4 E) 5 Answer: C Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 56) The number of valence electrons found in an atom of a Group A element is equal to ________. A) its atomic number B) its mass number C) its group number D) eight E) eight minus the group number Answer: C Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 57) Valence electrons are electrons located ________. A) in the outermost energy level of an atom B) in the nucleus of an atom C) in the innermost energy level of an atom D) throughout the atom E) in the first three shells of an atom Answer: A Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 58) In an electron-dot symbol of an element, the dots are used to represent ________. A) all of the electrons in the atom B) the valence electrons C) the electron arrangement D) only the electrons that will participate in bond formation E) the electrons that the element will gain when it forms a compound Answer: B Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 59) How many valence electrons are in the electron-dot symbols for the elements in group 3A (13)? A) 1 B) 2 C) 3 D) 4 E) 6 Answer: C Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 60) The number of dots in the electron dot symbol of nitrogen is ________. A) one B) two C) three D) four E) five Answer: E Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 61) The number of dots in the electron dot symbol of carbon is ________. A) one B) two C) three D) four E) five Answer: D Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 62) Which of the following is the correct electron-dot symbol for carbon? A) B) C) D) E) Answer: C Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across 63) The atomic size of atoms ________. A) increases going across a period B) decreases going across a period C) decreases going down within a group D) does not change going across a period E) none of the above Answer: B Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 64) The atomic size of atoms ________. A) increases going across a period B) decreases going down within a group C) increases going down within a group D) does not change going down within a group E) none of the above Answer: C Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 65) The ionization energy of atoms ________. A) decreases going across a period B) decreases going down within a group C) increases going down within a group D) does not change going down within a group E) none of the above Answer: B Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 66) Ionization energy is ________. A) the energy an ion acquires from an electron B) the energy needed to remove the least tightly bound electron C) highest for metals in Group 1A (1) D) higher for potassium than for lithium E) none of the above Answer: B Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 67) The metallic character of elements ________. A) increases going across a period B) decreases going down within a group C) increases going down within a group D) does not change going down within a group E) none of the above Answer: C Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 68) The metallic character of elements ________. A) decreases going across a period B) decreases going down within a group C) increases going across a period D) does not change going down within a group E) none of the above Answer: A Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 4.2 Short Answer Questions Write the symbol from the element name. 1) The symbol for sodium is ________. Answer: Na Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 2) The symbol for lead is ________. Answer: Pb Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 3) The symbol for mercury is ________. Answer: Hg Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 4) The symbol for copper is ________. Answer: Cu Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 5) The symbol for sulfur is ________. Answer: S Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 6) The symbol for silver is ________. Answer: Ag Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. full file at http://testbankcorner.eu full file at http://testbankcorner.eu Write the electron arrangement for the atom shown. 7) Sodium Answer: 2,8,1 Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 8) Chlorine Answer: 2,8,7 Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 9) Argon Answer: 2,8,8 Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 10) Sulfur Answer: 2,8,6 Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 11) Magnesium Answer: 2,8,2 Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. 12) Phosphorus Answer: 2,8,5 Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G6 Evaluate the credibility of scientific information from various sources. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 4.3 True/False Questions 1) The symbol for gold is Au. Answer: TRUE Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 2) The symbol for potassium is P. Answer: FALSE Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 3) The symbol for mercury is Mg. Answer: FALSE Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 4) Chromium is a metal. Answer: TRUE Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 5) Radon is a metal. Answer: FALSE Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 6) Mercury is a metal. Answer: TRUE Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across full file at http://testbankcorner.eu full file at http://testbankcorner.eu 7) Sulfur is a nonmetal. Answer: TRUE Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 8) Iodine is a metal. Answer: FALSE Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across 9) The proton has a positive charge. Answer: TRUE Page Ref: 4.3 Learning Obj.: 4.3 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 10) The proton is 2000 times the mass of the neutron. Answer: FALSE Page Ref: 4.3 Learning Obj.: 4.3 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 11) The atomic number is equal to the number of protons. Answer: TRUE Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 12) The mass number is equal to the number of electrons. Answer: FALSE Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 13) The atomic number of sodium is 23. Answer: FALSE Page Ref: 4.4 Learning Obj.: 4.4 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 14) A sodium atom with a mass number of 23 has 23 neutrons. Answer: FALSE Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 15) A lead atom with a mass number of 208 has 126 neutrons. Answer: TRUE Page Ref: 4.5 Learning Obj.: 4.5 Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry. 16) A calcium atom two electrons in the fourth energy level. Answer: TRUE Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 17) An argon atom 18 electrons in the third energy level. Answer: FALSE Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 18) Ionization energy increases going down a group. Answer: FALSE Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 19) Metallic character increases going down a group. Answer: TRUE Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 20) Atomic size decreases going from left to right within a period. Answer: TRUE Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 21) Sulfur has 16 valence electrons. Answer: FALSE Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 22) Potassium has one valence electron. Answer: TRUE Page Ref: 4.7 Learning Obj.: 4.7 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. full file at http://testbankcorner.eu full file at http://testbankcorner.eu 4.4 Matching Questions Match the correct symbols with the names of elements. A) Ca B) Co C) Cu D) Cl E) C 1) calcium Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 2) copper Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 3) carbon Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 4) chlorine Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. 5) cobalt Page Ref: 4.1 Learning Obj.: 4.1 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Answers: 1) A 2) C 3) E 4) D 5) B full file at http://testbankcorner.eu full file at http://testbankcorner.eu Do the following represent elements in a group, a period, or neither? A) period B) neither C) group 6) Li, Na, K Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 7) Li, C, F Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 8) F, S, P Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 9) O, S, Se Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 10) He, H, I Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Answers: 6) C 7) A 8) B 9) C 10) B full file at http://testbankcorner.eu full file at http://testbankcorner.eu Classify the following elements. A) alkaline earth metal B) halogen C) noble gas D) transition element E) alkali metal 11) sodium Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 12) argon Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 13) bromine Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 14) copper Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 15) magnesium Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Answers: 11) E 12) C 13) B 14) D 15) A full file at http://testbankcorner.eu full file at http://testbankcorner.eu Classify the following elements as metals, metalloids, or nonmetals. A) metal B) nonmetal C) metalloid 16) phosphorus Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 17) chlorine Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 18) germanium Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 19) cobalt Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 20) sulfur Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 21) nickel Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. 22) potassium Page Ref: 4.2 Learning Obj.: 4.2 Global Outcomes: G7 chemistry. Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across Demonstrate the ability to make connections between concepts across full file at http://testbankcorner.eu full file at http://testbankcorner.eu Answers: 16) B 17) B 18) C 19) A 20) B 21) A 22) A Give the correct number of electrons. A) eight B) one C) two D) five E) seven 23) in the outer energy level of nitrogen Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 24) in the second energy level of magnesium Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 25) in the highest occupied electron energy level of chlorine Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 26) in the first electron energy level of chlorine Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 27) in the third energy level of sodium Page Ref: 4.6 Learning Obj.: 4.6 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. Answers: 23) D 24) A 25) E 26) C 27) B full file at http://testbankcorner.eu