1. © 2015 Pearson Education, Inc. Clicker Questions Chapter 2 Barbara Mowery York College

2. © 2015 Pearson Education, Inc. The nucleus of an atom contains a.protons and neutrons. b.protons and electrons. c.electrons and neutrons. d.protons, neutrons, and electrons.

3. © 2015 Pearson Education, Inc. The nucleus of an atom contains a.protons and neutrons. b.protons and electrons. c.electrons and neutrons. d.protons, neutrons, and electrons.

4. © 2015 Pearson Education, Inc. Two atoms with the same atomic number but different mass numbers are called a.mutants. b.isomers. c.isotopes. d.symbiots.

5. © 2015 Pearson Education, Inc. Two atoms with the same atomic number but different mass numbers are called a.mutants. b.isomers. c.isotopes. d.symbiots.

6. © 2015 Pearson Education, Inc. Select the incorrect statement about the mass and volume of an atom. a.The mass is determined mostly by the protons and neutrons. b.The volume is mostly empty space. c.The mass is concentrated in the nucleus. d.The volume is determined by the arrangement of the protons.

7. © 2015 Pearson Education, Inc. Select the incorrect statement about the mass and volume of an atom. a.The mass is determined mostly by the protons and neutrons. b.The volume is mostly empty space. c.The mass is concentrated in the nucleus. d.The volume is determined by the arrangement of the protons.

8. © 2015 Pearson Education, Inc. For an atom of fluorine, the atomic number is ___ and the average atomic mass is ___. a.9; 18.988 amu b.18.998; 9 amu c.10; 19 g d.9; 9 g

9. © 2015 Pearson Education, Inc. For an atom of fluorine, the atomic number is ___ and the average atomic mass is ___. a.9; 18.988 amu b.18.998; 9 amu c.10; 19 g d.9; 9 g

10. © 2015 Pearson Education, Inc. Atomic weights on the periodic table are decimal numbers instead of integers because a.the number of protons + neutrons determines atomic weight. b.of the existence of isotopes. c.of the very small mass of electrons compared to protons and neutrons. d.the number of protons + electrons determines atomic weight.

11. © 2015 Pearson Education, Inc. Atomic weights on the periodic table are decimal numbers instead of integers because a.the number of protons + neutrons determines atomic weight. b.of the existence of isotopes. c.of the very small mass of electrons compared to protons and neutrons. d.the number of protons + electrons determines atomic weight.

12. © 2015 Pearson Education, Inc. The elements found on the right side of the periodic table tend to ______ electrons. a.gain b.lose c.keep d.share

13. © 2015 Pearson Education, Inc. The elements found on the right side of the periodic table tend to ______ electrons. a.gain b.lose c.keep d.share

14. © 2015 Pearson Education, Inc. Metals and nonmetals react to form ________ compounds. a.molecular b.mixed c.empirical d.ionic

15. © 2015 Pearson Education, Inc. Metals and nonmetals react to form ________ compounds. a.molecular b.mixed c.empirical d.ionic

16. © 2015 Pearson Education, Inc. Positive ions are called a.positrons. b.anions. c.cations. d.nucleons.

17. © 2015 Pearson Education, Inc. Positive ions are called a.positrons. b.anions. c.cations. d.nucleons.

18. © 2015 Pearson Education, Inc. Compounds composed only of carbon and hydrogen are called a.binary acids. b.carbohydrates. c.hydrocarbons. d.alkanes.

19. © 2015 Pearson Education, Inc. Compounds composed only of carbon and hydrogen are called a.binary acids. b.carbohydrates. c.hydrocarbons. d.alkanes.

20. © 2015 Pearson Education, Inc. The elements located in Group VIIA (Group 17) on the periodic table are called a.alkali metals. b.noble gases. c.chalcogens. d.halogens.

21. © 2015 Pearson Education, Inc. The elements located in Group VIIA (Group 17) on the periodic table are called a.alkali metals. b.noble gases. c.chalcogens. d.halogens.

22. © 2015 Pearson Education, Inc. Which of the formulas below does not represent a compound that actually exists? a.CaCO 3 b.H 2 O 2 c.KMnO 4 d.Na 2 PO 3

23. © 2015 Pearson Education, Inc. a.CaCO 3 b.H 2 O 2 c.KMnO 4 d.Na 2 PO 3 Which of the formulas below does not represent a compound that actually exists?

24. © 2015 Pearson Education, Inc. Which name is incorrectly paired with the formula? a.hydroxide ion; OH – b.barium(II) chloride; BaCl 2 c.ammonia; NH 3 d.sulfur dioxide; SO 2

25. © 2015 Pearson Education, Inc. Which name is incorrectly paired with the formula? a.hydroxide ion; OH – b.barium(II) chloride; BaCl 2 c.ammonia; NH 3 d.sulfur dioxide; SO 2

26. © 2015 Pearson Education, Inc. Acids produce _____ ions. a.OH –1 b.OH +1 c.H +1 d.H –1

27. © 2015 Pearson Education, Inc. Acids produce _____ ions. a.OH –1 b.OH +1 c.H +1 d.H –1

28. © 2015 Pearson Education, Inc. NaOCl is named a.sodium chlorate. b.sodium chlorite. c.sodium perchlorate. d.sodium hypochlorite.

29. © 2015 Pearson Education, Inc. NaOCl is named a.sodium chlorate. b.sodium chlorite. c.sodium perchlorate. d.sodium hypochlorite.

30. © 2015 Pearson Education, Inc. LiNO 3 is named a.lithium nitrate. b.lanthanum nitrate. c.lanthanum nitrite. d.lithium nitrite.

31. © 2015 Pearson Education, Inc. LiNO 3 is named a.lithium nitrate. b.lanthanum nitrate. c.lanthanum nitrite. d.lithium nitrite.

32. © 2015 Pearson Education, Inc. The formula for aluminum carbonate is a.Al 2 (CO 3 ) 3. b.AlCO 3. c.Al 2 C 3. d.Al 3 (CO 3 ) 2.

33. © 2015 Pearson Education, Inc. The formula for aluminum carbonate is a.Al 2 (CO 3 ) 3. b.AlCO 3. c.Al 2 C 3. d.Al 3 (CO 3 ) 2.

34. © 2015 Pearson Education, Inc. Fe 2 O 3 is named a.diiron trioxide. b.iron(III) oxide. c.ferrous oxide. d.ironic oxide.

35. © 2015 Pearson Education, Inc. Fe 2 O 3 is named a.diiron trioxide. b.iron(III) oxide. c.ferrous oxide. d.ironic oxide.

36. © 2015 Pearson Education, Inc. Which acid is not an oxyacid? a.hydrochloric acid b.nitric acid c.sulfurous acid d.acetic acid

37. © 2015 Pearson Education, Inc. Which acid is not an oxyacid? a.hydrochloric acid b.nitric acid c.sulfurous acid d.acetic acid

38. © 2015 Pearson Education, Inc. HIO 4 is named a.iodic acid. b.iodous acid. c.periodic acid. d.hydrogen iodate.

39. © 2015 Pearson Education, Inc. HIO 4 is named a.iodic acid. b.iodous acid. c.periodic acid. d.hydrogen iodate.

40. © 2015 Pearson Education, Inc. Cl 2 O 7 is named a.chlorine(VII) oxide. b.dichlorine hexaoxide. c.dichlorine heptaoxide. d.bichlorine heptaoxide.

41. © 2015 Pearson Education, Inc. Cl 2 O 7 is named a.chlorine(VII) oxide. b.dichlorine hexaoxide. c.dichlorine heptaoxide. d.bichlorine heptaoxide.

42. © 2015 Pearson Education, Inc. C 3 H 8 is named a.ethane. b.propane. c.propanol. d.pentane.

43. © 2015 Pearson Education, Inc. C 3 H 8 is named a.ethane. b.propane. c.propanol. d.pentane.