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CHEM 1301 SPRING 2003 TEST 1 VERSION 1 NO CHEATING! BUBBLE IN “1” IN THE P COLUMN TO GET YOUR GRADE POSTED!!!!! [the only way you’ll find out how you did!] 1. The ancient Greeks believed that matter was made up of four elements. Only one of these elements is described as a pure substance today. Which is it? (A) earth 2. Which of the following is correctly described as a compound? (A) oxygen 3. Carbon monoxide can be broken down into carbon and oxygen in a mass ratio of 3:4 or 0.75. Carbon dioxide can be broken down into carbon and oxygen in a mass ratio of 3:8 or 0.375. (B) (B) air coffee (C) (C) gold nitrogen (D) water (E) fire (D) carbon dioxide (E) air The fact that 0.75 is related to 0.375 in a nice easy ratio is an illustration of: (A) (B) (C) (D) (E) The Law of Conservation of Mass The Law of Definite Proportions The Law of Multiple Proportions The Atomic Theory None of these 4. Which of the following statements is incorrectly labeled as a Law or Theory? (A) (B) (C) (D) (E) The Law of Gravity that things fall to the ground. The Theory of Evolution that man is descended from the apes. Newton's Second Law that force is equal to mass of an object times its acceleration. Einstein's Law of Relativity that no object with mass can travel at the speed of light. Dalton's Atomic Theory that matter is made up of tiny particles called atoms. 1 5. Which part of Dalton's Atomic Theory was a direct "dig" at the alchemists? (A) (B) (C) (D) (E) All matter is made up of atoms, which are small, indivisible particles. Atoms can not be created, destroyed nor transformed. Atoms of a particular element are alike in all respects Atoms of different elements are different from each other Atoms can group together to form molecules. 6. Which of the following elements is NOT correctly matched with its symbol? (A) sodium is Na 7. Which of the following elements does NOT have a symbol taken from a LATIN name? (A) iron 8. Which of the following elements is NOT correctly matched with its group? (A) (D) calcium is an alkaline earth metal selenium is a pnictogen 9. Which of the following statements is FALSE? (A) (D) bromine does not conduct electricity silicon is a metal 10. Which of the following is a lanthanide? (A) Dy 11. Rutherford's experiment was used to indicate the presence of: (A) (C) (E) electrons electron's energy levels a positive nucleus without electrons stuck to it (B) (B) (B) phosphorus is P copper P (C) (C) chlorine is Cl (D) cobalt (D) carbon is C (E) neon is N sodium (E) potassium (B) (E) titanium is a transition metal bromine is a halogen (C) argon is a noble gas (B) (E) gold is malleable hydrogen is a non-metal (C) mercury is a metal (C) W (D) (B) (D) 2 protons neutrons Rn (E) U 12. Which of the following statements is FALSE? (A) (B) (C) (D) (E) an atom consists of a positively charged, massive nucleus that occupies very little volume and electrons that go round the nucleus the number of electrons in an atom is equal to the number of protons the mass of an atom is equal to the number of protons + the number of neutrons isotopes of an atom contain different numbers of electrons the mass of a proton is the same as the mass of a neutron 13. Consider an atom of rhodium-100 (100Rh). It has: (A) (C) (E) 45 protons, 45 neutrons, 45 electrons 55 protons, 45 neutrons, 45 electrons 45 protons, 100 neutrons, 45 electrons 14. Tellurium consists of 3 common isotopes. Half of tellurium atoms have a mass of 127, and another 0.05 of tellurium atoms weigh 130. What is the mass of the remaining isotope? The atomic mass of tellurium is 127.6. (A) 125 15. Boron has an atomic mass of 10.8. There are two isotopes of boron – one contains 5 neutrons and the other contains 6 neutrons in the nucleus. What is the fractional abundance of the second one (the one with 6 neutrons)? (A) 0.2 or 1/5 16. A form of light has an energy of 6.75 x 10-24 J. Given that h = 6.63 x 10-34 Js and c = 3.00 x 108 m/s, what is the wavelength of this light? (A) 4.47 x 10-57 m 17. Which of the following statements is incorrect? (A) (C) (E) red light has a shorter wavelength than infrared green light has a higher frequency than blue light radiowaves have a longer wavelength than microwaves (B) (B) (B) 126 0.5 or 1/2 1.34 x 10-48 m (B) (D) (C) (C) (C) 45 protons, 55 neutrons, 45 electrons 55 protons, 45 neutrons, 55 electrons 128 (D) 0.67 or 2/3 2.95 x 10-3 m (B) (D) 3 (D) (D) 129 0.75 or 3/4 0.0295 m (E) (E) (E) 131 0.8 or 4/5 1.02 x 1010 m ultraviolet has a higher energy than violet light gamma rays are the most energetic form of light 18. Which of the following is incorrect? (A) (C) (E) The lowest energy p-subshell is the 2p Electrons have only certain, allowed energy values All of these are correct 19. What is the electron configuration of ruthenium (Ru)? (A) [Kr]5s24d6 20. Which of the following represents the electron configuration of Ce? (A) [La]4f1 (B) (B) [Xe]5s24d6 [Xe]6s26d16f1 (B) (D) (C) (C) A maximum of 10 electrons can go into a d-subshell A boron atom has electrons in 3 shells [Kr]5s25d6 [Xe]6s25d14f1 4 (D) [Kr]5s25p6 (E) [Xe]5s25d6 (D) [Xe]6s25d15f1 (E) [Xe]6s24f2 CHEM 1301 SPRING 2003 TEST 1 VERSION 2 NO CHEATING! BUBBLE IN “1” IN THE P COLUMN TO GET YOUR GRADE POSTED!!!!! [the only way you’ll find out how you did!] 1. Which of the following elements is NOT correctly matched with its symbol? (A) sodium is Na 2. Which of the following elements does NOT have a symbol taken from a LATIN name? (A) iron 3. Which of the following elements is NOT correctly matched with its group? (A) (D) calcium is an alkaline earth metal selenium is a pnictogen 4. Which of the following statements is FALSE? (A) (D) bromine does not conduct electricity silicon is a metal 5. Which of the following is a lanthanide? (A) Dy 6. The ancient Greeks believed that matter was made up of four elements. Only one of these elements is described as a pure substance today. Which is it? (A) earth 7. Which of the following is correctly described as a compound? (A) oxygen (B) (B) (B) (B) (B) phosphorus is P copper P air coffee (C) (C) chlorine is Cl cobalt (D) (D) carbon is C (E) neon is N sodium (E) potassium (B) (E) titanium is a transition metal bromine is a halogen (C) argon is a noble gas (B) (E) gold is malleable hydrogen is a non-metal (C) mercury is a metal (C) W (C) (C) (D) gold nitrogen 1 Rn (E) U (D) water (E) fire (D) carbon dioxide (E) air 8. Carbon monoxide can be broken down into carbon and oxygen in a mass ratio of 3:4 or 0.75. Carbon dioxide can be broken down into carbon and oxygen in a mass ratio of 3:8 or 0.375. The fact that 0.75 is related to 0.375 in a nice easy ratio is an illustration of: (A) (B) (C) (D) (E) The Law of Conservation of Mass The Law of Definite Proportions The Law of Multiple Proportions The Atomic Theory None of these 9. Which of the following statements is incorrectly labeled as a Law or Theory? (A) (B) (C) (D) (E) The Law of Gravity that things fall to the ground. The Theory of Evolution that man is descended from the apes. Newton's Second Law that force is equal to mass of an object times its acceleration. Einstein's Law of Relativity that no object with mass can travel at the speed of light. Dalton's Atomic Theory that matter is made up of tiny particles called atoms. 10. Which part of Dalton's Atomic Theory was a direct "dig" at the alchemists? (A) (B) (C) (D) (E) All matter is made up of atoms, which are small, indivisible particles. Atoms can not be created, destroyed nor transformed. Atoms of a particular element are alike in all respects Atoms of different elements are different from each other Atoms can group together to form molecules. 11. A form of light has an energy of 6.75 x 10-24 J. Given that h = 6.63 x 10-34 Js and c = 3.00 x 108 m/s, what is the wavelength of this light? (A) 4.47 x 10-57 m (B) 1.34 x 10-48 m (C) 2.95 x 10-3 m 2 (D) 0.0295 m (E) 1.02 x 1010 m 12. Which of the following statements is incorrect? (A) (C) (E) red light has a shorter wavelength than infrared green light has a higher frequency than blue light radiowaves have a longer wavelength than microwaves 13. Which of the following is incorrect? (A) (C) (E) The lowest energy p-subshell is the 2p Electrons have only certain, allowed energy values All of these are correct 14. What is the electron configuration of ruthenium (Ru)? (A) [Kr]5s24d6 15. Which of the following represents the electron configuration of Ce? (A) [La]4f1 16. Rutherford's experiment was used to indicate the presence of: (A) (C) (E) electrons electron's energy levels a positive nucleus without electrons stuck to it 17. Which of the following statements is FALSE? (A) (B) (C) (D) (E) an atom consists of a positively charged, massive nucleus that occupies very little volume and electrons that go round the nucleus the number of electrons in an atom is equal to the number of protons the mass of an atom is equal to the number of protons + the number of neutrons isotopes of an atom contain different numbers of electrons the mass of a proton is the same as the mass of a neutron (B) (B) [Xe]5s24d6 [Xe]6s26d16f1 (B) (D) (B) (D) (C) (C) A maximum of 10 electrons can go into a d-subshell A boron atom has electrons in 3 shells [Kr]5s25d6 [Xe]6s25d14f1 (B) (D) 3 ultraviolet has a higher energy than violet light gamma rays are the most energetic form of light (D) [Kr]5s25p6 (E) [Xe]5s25d6 (D) [Xe]6s25d15f1 (E) [Xe]6s24f2 protons neutrons 18. Consider an atom of rhodium-100 (100Rh). It has: (A) (C) (E) 45 protons, 45 neutrons, 45 electrons 55 protons, 45 neutrons, 45 electrons 45 protons, 100 neutrons, 45 electrons 19. Tellurium consists of 3 common isotopes. Half of tellurium atoms have a mass of 127, and another 0.05 of tellurium atoms weigh 130. What is the mass of the remaining isotope? The atomic mass of tellurium is 127.6. (A) 125 20. Boron has an atomic mass of 10.8. There are two isotopes of boron – one contains 5 neutrons and the other contains 6 neutrons in the nucleus. What is the fractional abundance of the second one (the one with 6 neutrons)? (A) 0.2 or 1/5 (B) (B) 126 0.5 or 1/2 (B) (D) (C) (C) 45 protons, 55 neutrons, 45 electrons 55 protons, 45 neutrons, 55 electrons 128 0.67 or 2/3 4 (D) (D) 129 0.75 or 3/4 (E) (E) 131 0.8 or 4/5 CHEM 1301 SPRING 2003 TEST 1 VERSION 3 NO CHEATING! BUBBLE IN “1” IN THE P COLUMN TO GET YOUR GRADE POSTED!!!!! [the only way you’ll find out how you did!] 1. Rutherford's experiment was used to indicate the presence of: (A) (C) (E) electrons electron's energy levels a positive nucleus without electrons stuck to it 2. Which of the following statements is FALSE? (A) (B) (C) (D) (E) an atom consists of a positively charged, massive nucleus that occupies very little volume and electrons that go round the nucleus the number of electrons in an atom is equal to the number of protons the mass of an atom is equal to the number of protons + the number of neutrons isotopes of an atom contain different numbers of electrons the mass of a proton is the same as the mass of a neutron 3. Consider an atom of rhodium-100 (100Rh). It has: (A) (C) (E) 45 protons, 45 neutrons, 45 electrons 55 protons, 45 neutrons, 45 electrons 45 protons, 100 neutrons, 45 electrons 4. Tellurium consists of 3 common isotopes. Half of tellurium atoms have a mass of 127, and another 0.05 of tellurium atoms weigh 130. What is the mass of the remaining isotope? The atomic mass of tellurium is 127.6. (A) 125 5. Boron has an atomic mass of 10.8. There are two isotopes of boron – one contains 5 neutrons and the other contains 6 neutrons in the nucleus. What is the fractional abundance of the second one (the one with 6 neutrons)? (A) 0.2 or 1/5 (B) (B) 126 0.5 or 1/2 (B) (D) (B) (D) (C) (C) 45 protons, 55 neutrons, 45 electrons 55 protons, 45 neutrons, 55 electrons 128 0.67 or 2/3 1 protons neutrons (D) (D) 129 0.75 or 3/4 (E) (E) 131 0.8 or 4/5 6. A form of light has an energy of 6.75 x 10-24 J. Given that h = 6.63 x 10-34 Js and c = 3.00 x 108 m/s, what is the wavelength of this light? (A) 4.47 x 10-57 m 7. Which of the following statements is incorrect? (A) (C) (E) red light has a shorter wavelength than infrared green light has a higher frequency than blue light radiowaves have a longer wavelength than microwaves 8. Which of the following is incorrect? (A) (C) (E) The lowest energy p-subshell is the 2p Electrons have only certain, allowed energy values All of these are correct 9. What is the electron configuration of ruthenium (Ru)? (A) [Kr]5s24d6 10. Which of the following represents the electron configuration of Ce? (A) [La]4f1 11. The ancient Greeks believed that matter was made up of four elements. Only one of these elements is described as a pure substance today. Which is it? (A) earth 12. Which of the following is correctly described as a compound? (A) oxygen (B) (B) (B) (B) (B) 1.34 x 10-48 m [Xe]5s24d6 [Xe]6s26d16f1 air coffee (C) 2.95 x 10-3 m (B) (D) (B) (D) (C) (C) (C) (C) 0.0295 m (E) 1.02 x 1010 m ultraviolet has a higher energy than violet light gamma rays are the most energetic form of light A maximum of 10 electrons can go into a d-subshell A boron atom has electrons in 3 shells [Kr]5s25d6 [Xe]6s25d14f1 gold nitrogen 2 (D) (D) [Kr]5s25p6 (E) [Xe]5s25d6 (D) [Xe]6s25d15f1 (E) [Xe]6s24f2 (D) water (E) fire (D) carbon dioxide (E) air 13. Carbon monoxide can be broken down into carbon and oxygen in a mass ratio of 3:4 or 0.75. Carbon dioxide can be broken down into carbon and oxygen in a mass ratio of 3:8 or 0.375. The fact that 0.75 is related to 0.375 in a nice easy ratio is an illustration of: (A) (B) (C) (D) (E) The Law of Conservation of Mass The Law of Definite Proportions The Law of Multiple Proportions The Atomic Theory None of these 14. Which of the following statements is incorrectly labeled as a Law or Theory? (A) (B) (C) (D) (E) The Law of Gravity that things fall to the ground. The Theory of Evolution that man is descended from the apes. Newton's Second Law that force is equal to mass of an object times its acceleration. Einstein's Law of Relativity that no object with mass can travel at the speed of light. Dalton's Atomic Theory that matter is made up of tiny particles called atoms. 15. Which part of Dalton's Atomic Theory was a direct "dig" at the alchemists? (A) (B) (C) (D) (E) All matter is made up of atoms, which are small, indivisible particles. Atoms can not be created, destroyed nor transformed. Atoms of a particular element are alike in all respects Atoms of different elements are different from each other Atoms can group together to form molecules. 16. Which of the following elements is NOT correctly matched with its symbol? (A) sodium is Na 17. Which of the following elements does NOT have a symbol taken from a LATIN name? (A) iron (B) (B) phosphorus is P copper (C) (C) chlorine is Cl cobalt 3 (D) (D) carbon is C (E) neon is N sodium (E) potassium 18. Which of the following elements is NOT correctly matched with its group? (A) (D) calcium is an alkaline earth metal selenium is a pnictogen 19. Which of the following statements is FALSE? (A) (D) bromine does not conduct electricity silicon is a metal 20. Which of the following is a lanthanide? (A) Dy (B) P (B) (E) titanium is a transition metal bromine is a halogen (C) argon is a noble gas (B) (E) gold is malleable hydrogen is a non-metal (C) mercury is a metal (C) W (D) 4 Rn (E) U CHEM 1301 SPRING 2003 TEST 1 VERSION 4 NO CHEATING! BUBBLE IN “1” IN THE P COLUMN TO GET YOUR GRADE POSTED!!!!! [the only way you’ll find out how you did!] 1. A form of light has an energy of 6.75 x 10-24 J. Given that h = 6.63 x 10-34 Js and c = 3.00 x 108 m/s, what is the wavelength of this light? (A) 4.47 x 10-57 m 2. Which of the following statements is incorrect? (A) (C) (E) red light has a shorter wavelength than infrared green light has a higher frequency than blue light radiowaves have a longer wavelength than microwaves 3. Which of the following is incorrect? (A) (C) (E) The lowest energy p-subshell is the 2p Electrons have only certain, allowed energy values All of these are correct 4. What is the electron configuration of ruthenium (Ru)? (A) [Kr]5s24d6 5. Which of the following represents the electron configuration of Ce? (A) [La]4f1 (B) (B) (B) 1.34 x 10-48 m [Xe]5s24d6 [Xe]6s26d16f1 (C) 2.95 x 10-3 m (B) (D) (B) (D) (C) (C) 0.0295 m (E) 1.02 x 1010 m ultraviolet has a higher energy than violet light gamma rays are the most energetic form of light A maximum of 10 electrons can go into a d-subshell A boron atom has electrons in 3 shells [Kr]5s25d6 [Xe]6s25d14f1 1 (D) (D) [Kr]5s25p6 (E) [Xe]5s25d6 (D) [Xe]6s25d15f1 (E) [Xe]6s24f2 6. Rutherford's experiment was used to indicate the presence of: (A) (C) (E) electrons electron's energy levels a positive nucleus without electrons stuck to it 7. Which of the following statements is FALSE? (A) (B) (C) (D) (E) an atom consists of a positively charged, massive nucleus that occupies very little volume and electrons that go round the nucleus the number of electrons in an atom is equal to the number of protons the mass of an atom is equal to the number of protons + the number of neutrons isotopes of an atom contain different numbers of electrons the mass of a proton is the same as the mass of a neutron 8. Consider an atom of rhodium-100 (100Rh). It has: (A) (C) (E) 45 protons, 45 neutrons, 45 electrons 55 protons, 45 neutrons, 45 electrons 45 protons, 100 neutrons, 45 electrons 9. Tellurium consists of 3 common isotopes. Half of tellurium atoms have a mass of 127, and another 0.05 of tellurium atoms weigh 130. What is the mass of the remaining isotope? The atomic mass of tellurium is 127.6. (A) 125 10. Boron has an atomic mass of 10.8. There are two isotopes of boron – one contains 5 neutrons and the other contains 6 neutrons in the nucleus. What is the fractional abundance of the second one (the one with 6 neutrons)? (A) 0.2 or 1/5 11. Which of the following elements is NOT correctly matched with its symbol? (A) sodium is Na (B) (B) (B) 126 0.5 or 1/2 phosphorus is P (B) (D) (B) (D) (C) (C) (C) protons neutrons 45 protons, 55 neutrons, 45 electrons 55 protons, 45 neutrons, 55 electrons 128 0.67 or 2/3 chlorine is Cl 2 (D) 129 (E) 131 (D) 0.75 or 3/4 (E) 0.8 or 4/5 (D) carbon is C (E) neon is N 12. Which of the following elements does NOT have a symbol taken from a LATIN name? (A) iron 13. Which of the following elements is NOT correctly matched with its group? (A) (D) calcium is an alkaline earth metal selenium is a pnictogen 14. Which of the following statements is FALSE? (A) (D) bromine does not conduct electricity silicon is a metal 15. Which of the following is a lanthanide? (A) 16. Dy (B) P (C) W (D) Rn (E) U The ancient Greeks believed that matter was made up of four elements. Only one of these elements is described as a pure substance today. Which is it? (A) earth 17. Which of the following is correctly described as a compound? (A) oxygen 18. Carbon monoxide can be broken down into carbon and oxygen in a mass ratio of 3:4 or 0.75. Carbon dioxide can be broken down into carbon and oxygen in a mass ratio of 3:8 or 0.375. (B) (B) (B) copper air coffee (C) cobalt sodium (E) potassium (B) (E) titanium is a transition metal bromine is a halogen (C) argon is a noble gas (B) (E) gold is malleable hydrogen is a non-metal (C) mercury is a metal (C) (C) gold nitrogen The fact that 0.75 is related to 0.375 in a nice easy ratio is an illustration of: (A) (B) (C) (D) (E) (D) The Law of Conservation of Mass The Law of Definite Proportions The Law of Multiple Proportions The Atomic Theory None of these 3 (D) water (E) fire (D) carbon dioxide (E) air 19. Which of the following statements is incorrectly labeled as a Law or Theory? (A) (B) (C) (D) (E) The Law of Gravity that things fall to the ground. The Theory of Evolution that man is descended from the apes. Newton's Second Law that force is equal to mass of an object times its acceleration. Einstein's Law of Relativity that no object with mass can travel at the speed of light. Dalton's Atomic Theory that matter is made up of tiny particles called atoms. 20. Which part of Dalton's Atomic Theory was a direct "dig" at the alchemists? (A) (B) (C) (D) (E) All matter is made up of atoms, which are small, indivisible particles. Atoms can not be created, destroyed nor transformed. Atoms of a particular element are alike in all respects Atoms of different elements are different from each other Atoms can group together to form molecules. 4