2. Are you
ready for the
Chapter 3
Test?

3. 17
Cl
35.45

4. 17
Cl
35.45

5. How many protons?
17
Cl
35.45

6. How many protons?
17
Cl
35.45

7. How many protons?
17
Cl
35.45
How many neutrons?

8. How many protons?
17
Cl
35.45
How many neutrons?

9. How many protons?
17
Cl
35.45
How many neutrons?
How many electrons?

10. How many protons?
17
Cl
35.45
How many neutrons?
How many electrons?

11. 17
Cl
35.45

12. 17
Cl
35.45

13. How many protons?
17
Cl
35.45

14. How many protons?
17
Cl
17
35.45

15. How many protons?
17
Cl
17
How many neutrons?
35.45

16. How many protons?
17
Cl
17
How many neutrons?
35 - 17 = 18
35.45

17. How many protons?
17
Cl
17
How many neutrons?
35 - 17 = 18
How many electrons?
35.45

18. How many protons?
17
Cl
17
How many neutrons?
35 - 17 = 18
How many electrons?
35.45 17 same as protons

19. How many protons?
17
Cl
17
How many neutrons?
35 - 17 = 18
How many electrons?
35.45 17 same as protons

20. Write the electron
configuration for sodium.

21. Write the electron
configuration for sodium.

22. Write the electron
configuration for sodium.
1s22s22p63s1

23. Write the electron
configuration for iron.

24. Write the electron
configuration for iron.

25. Write the electron
configuration for iron.
1s22s22p63s23p64s23d6

26. Write the electron
configuration for bromine.

27. Write the electron
configuration for bromine.

28. Write the electron
configuration for bromine.
1s22s22p63s23p64s23d104p5

29. Which element ends
with 6s 2?

30. Which element ends
with 6s 2?

31. Which element ends
with 6s 2?
Barium

32. Which element ends
with 5f 4?

33. Which element ends
with 5f 4?

34. Which element ends
with 5f 4?
Neptunium

35. Write the noble gas
configuration for cobalt.

36. Write the noble gas
configuration for cobalt.

37. Write the noble gas
configuration for cobalt.
[Ar]4s23d7

38. Write the noble gas
configuration for silver.

39. Write the noble gas
configuration for silver.

40. Write the noble gas
configuration for silver.
[Kr]5s24d9

41. Write the noble gas
configuration for
tellurium.

42. Write the noble gas
configuration for
tellurium.

43. Write the noble gas
configuration for
tellurium.
[Kr]5s24d105p4

44. Which element has a
noble gas configuration
of [Rn]7s2

45. Which element has a
noble gas configuration
of [Rn]7s2

46. Which element has a
noble gas configuration
of [Rn]7s2
Radium

47. Which element has a
noble gas configuration
of [Kr]5s24d6

48. Which element has a
noble gas configuration
of [Kr]5s24d6

49. Which element has a
noble gas configuration
of [Kr]5s24d6
Ruthenium

50. What is wrong with
1s22s22p63s23p64s24d104p5?

51. What is wrong with
1s22s22p63s23p64s24d104p5?

52. What is wrong with
1s22s22p63s23p64s24d104p5?
1s22s22p63s23p64s24d104p5
should be 3d10

53. What is wrong with
1s22s22p63s23d5?

54. What is wrong with
1s22s22p63s23d5?

55. What is wrong with
1s22s22p63s23d5?
1s22s22p63s23d5
should be 3p5

56. What is the atom to
element ratio for H20?

57. What is the atom to
element ratio for H20?

58. What is the atom to
element ratio for H20?
2:1

59. What is the atom to
element ratio for
H2S04?

60. What is the atom to
element ratio for
H2S04?

61. What is the atom to
element ratio for
H2S04?
2:1:4

62. What is the atom to
element ratio for
C6H1206?

63. What is the atom to
element ratio for
C6H1206?

64. What is the atom to
element ratio for
C6H1206?
6:12:6

65. What is the atom to
element ratio for
KClO3?

66. What is the atom to
element ratio for
KClO3?

67. What is the atom to
element ratio for
KClO3?
1:1:3