1. © 2014 Pearson Education, Inc. Chapter 8 Periodic Properties of the Elements Clicker Questions Allison Soult University of Kentucky

2. © 2014 Pearson Education, Inc. Which of the following correctly illustrates the valence electron configuration of sulfur? a) b) c) d)

3. © 2014 Pearson Education, Inc. Which of the following correctly illustrates the valence electron configuration of sulfur? a) b) c) d)

4. © 2014 Pearson Education, Inc. Which of the following is the correct electron configuration for bromine? a)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4d 10 4p 5 b)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 5 c)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 d)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4p 6 e)1s 2 2s 2 2p 6 3s 2 3p 5 4s 2 4p 5

5. © 2014 Pearson Education, Inc. Which of the following is the correct electron configuration for bromine? a)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4d 10 4p 5 b)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 5 c)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 d)1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4p 6 e)1s 2 2s 2 2p 6 3s 2 3p 5 4s 2 4p 5

6. © 2014 Pearson Education, Inc. What is the ground state electron configuration for Mo? a)Mo: [Kr]5s 2 4d 4 b)Mo: [Kr]5s 0 4d 6 c)Mo: [Ar]4s 2 3d 4 d)Mo: [Ar]4s 1 3d 5 e)Mo: [Kr]5s 1 4d 5

7. © 2014 Pearson Education, Inc. What is the ground state electron configuration for Mo? a)Mo: [Kr]5s 2 4d 4 b)Mo: [Kr]5s 0 4d 6 c)Mo: [Ar]4s 2 3d 4 d)Mo: [Ar]4s 1 3d 5 e)Mo: [Kr]5s 1 4d 5

8. © 2014 Pearson Education, Inc. What is the ground state electron configuration for V? a)V: [Kr]4s 3 3d 2 b)V: [Kr]4s 2 4d 3 c)V: [Ar]4s 2 3d 3 d)V: [Ar]3d 3 e)V: [Kr]4s 2 4d 3

9. © 2014 Pearson Education, Inc. What is the ground state electron configuration for V? a)V: [Kr]4s 3 3d 2 b)V: [Kr]4s 2 4d 3 c)V: [Ar]4s 2 3d 3 d)V: [Ar]3d 3 e)V: [Kr]4s 2 4d 3

10. © 2014 Pearson Education, Inc. How many valence electrons does an atom of vanadium possess? a)0 b)2 c)3 d)4 e)5

11. © 2014 Pearson Education, Inc. How many valence electrons does an atom of vanadium possess? a)0 b)2 c)3 d)4 e)5

12. © 2014 Pearson Education, Inc. Which element is the largest? a)Rb b)Sr c)Cs d)Ba e)Cl

13. © 2014 Pearson Education, Inc. Which element is the largest? a)Rb b)Sr c)Cs d)Ba e)Cl

14. © 2014 Pearson Education, Inc. Which element has the greatest effective nuclear charge? a)O b)F c)S d)Cl e)P

15. © 2014 Pearson Education, Inc. Which element has the greatest effective nuclear charge? a)O b)F c)S d)Cl e)P

16. © 2014 Pearson Education, Inc. Which element’s 4+ ion would have the following electron configuration? a)Ge b)Te c)Sn d)Se e)Sb [Kr]4d 10

17. © 2014 Pearson Education, Inc. Which element’s 4+ ion would have the following electron configuration? a)Ge b)Te c)Sn d)Se e)Sb [Kr]4d 10

18. © 2014 Pearson Education, Inc. Which of the following is the correct electron configuration for the anion typically formed from oxygen? a)1s 2 2s 2 2p 4 b)1s 2 2s 2 2p 2 c)1s 2 2s 2 2p 6 d)1s 2 2s 2 2p 3 e)1s 2 2s 2 2p 5

19. © 2014 Pearson Education, Inc. Which of the following is the correct electron configuration for the anion typically formed from oxygen? a)1s 2 2s 2 2p 4 b)1s 2 2s 2 2p 2 c)1s 2 2s 2 2p 6 d)1s 2 2s 2 2p 3 e)1s 2 2s 2 2p 5

20. © 2014 Pearson Education, Inc. Which of the following is diamagnetic? a)Sn b)Sn 2+ c)Sn 4+ d)Sn 2+ and Sn 4+ e)All are paramagnetic.

21. © 2014 Pearson Education, Inc. Which of the following is diamagnetic? a)Sn b)Sn 2+ c)Sn 4+ d)Sn 2+ and Sn 4+ e)All are paramagnetic.

22. © 2014 Pearson Education, Inc. Which ion is the smallest? a)O 2– b)S 2– c)Mg 2+ d)Ca 2+

23. © 2014 Pearson Education, Inc. Which ion is the smallest? a)O 2– b)S 2– c)Mg 2+ d)Ca 2+

24. © 2014 Pearson Education, Inc. Consider the following isoelectronic series: Which particle is the largest? a)Cl – b)Ar c)K + d)Ca 2+ e)All particles are the same size. Cl – ArK + Ca 2+

25. © 2014 Pearson Education, Inc. Consider the following isoelectronic series: Which particle is the largest? Cl – ArK + Ca 2+ a)Cl – b)Ar c)K + d)Ca 2+ e)All particles are the same size.

26. © 2014 Pearson Education, Inc. Which alkali metal will have the smallest first ionization energy? a)Ca b)Mg c)Li d)Na e)K

27. © 2014 Pearson Education, Inc. Which alkali metal will have the smallest first ionization energy? a)Ca b)Mg c)Li d)Na e)K

28. © 2014 Pearson Education, Inc. Which element has the largest first ionization energy? a)Be b)B c)C d)N e)O

29. © 2014 Pearson Education, Inc. a)Be b)B c)C d)N e)O Note: This is an exception due to the added stabilization obtained by removing an electron from O to have a half-filled 2p subshell. Which element has the largest first ionization energy?

30. © 2014 Pearson Education, Inc. Consider the following successive ionization energies (kJ/mol): a)Mg b)Al c)Si d)P e)S IE 1 IE 2 IE 3 IE 4 IE 5 IE 6 IE 7 Which element in period 3 would most likely show this trend in ionization energies? 1012 1900 2910 4960 6270 22,200 26,345

31. © 2014 Pearson Education, Inc. Consider the following successive ionization energies (kJ/mol): a)Mg b)Al c)Si d)P e)S IE 1 IE 2 IE 3 IE 4 IE 5 IE 6 IE 7 1012 1900 2910 4960 6270 22,200 26,345 Which element in period 3 would most likely show this trend in ionization energies?

32. © 2014 Pearson Education, Inc. Which element is the most nonmetallic? a)K b)Ca c)Mg d)O e)F

33. © 2014 Pearson Education, Inc. Which element is the most nonmetallic? a)K b)Ca c)Mg d)O e)F

34. © 2014 Pearson Education, Inc. Which of the following is NOT a property of metals? a)good conductors of heat b)poor conductors of electricity c)malleable d)ductile

35. © 2014 Pearson Education, Inc. Which of the following is NOT a property of metals? a)good conductors of heat b)poor conductors of electricity c)malleable d)ductile