Free Printable CH03b Electron configuration

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Worksheets

CH03b Electron configuration

Total questions: 75

Worksheet time: 57mins

Name

Class

Date

1.

What energy level fills after the 1s?

(a)

2.

What element has this electron configuration?

(a)

3.

Which of these violates Hund's Rule?

a)

b)

c)

4.

Which of these violates the Pauli Exclusion Principle?

a)

b)

c)

5.

Which of these violates the Aufbau Principle?

a)

b)

c)

6.

What element has this electron configuration?

(a)

7.

What element has this electron configuration?

(a)

8.

What element has this electron configuration?

(a)

9.

What element has this electron configuration?

(a)

10.

What element has this electron configuration?

(a)

11.

What element has this electron configuration?

(a)

12.

What element has this electron configuration?

(a)

13.

What element has this electron configuration?

(a)

14.

What element has this electron configuration?

(a)

15.

What energy level fills after the 2s?

(a)

16.

What energy level fills after the 2p?

(a)

17.

What energy level fills after the 3s?

(a)

18.

What energy level fills after the 3p?

(a)

19.

What energy level fills after the 4s?

(a)

20.

What energy level fills after the 3d?

(a)

21.

What energy level fills after the 4p?

(a)

22.

What energy level fills after the 5s?

(a)

23.

What energy level fills after the 4d?

(a)

24.

What energy level fills after the 5p?

(a)

25.

When writing the electron configuration of radium (Ra) what comes after 6s²?

a)

6p⁶

b)

5d¹

c)

4f¹⁴

d)

5d⁹

e)

7s²

26.

When writing the electron configuration of radium (Ra) what comes after 5d¹?

a)

6p⁶

b)

6s²

c)

4f¹⁴

d)

5d⁹

e)

7s²

27.

When writing the electron configuration of radium (Ra) what comes after 4f¹⁴?

a)

6p⁶

b)

6s²

c)

5d¹

d)

5d⁹

e)

7s²

28.

When writing the electron configuration of radium (Ra) what comes after 5d⁹?

a)

6p⁶

b)

6s²

c)

5d¹

d)

4f¹⁴

e)

7s²

29.

What element?

(a)

30.

What element?

(a)

31.

What element?

(a)

32.

What element?

(a)

33.

What element?

(a)

34.

What element?

(a)

35.

What element?

(a)

36.

What element?

(a)

37.

What element?

(a)

38.

What element?

(a)

39.

What element?

(a)

40.

Hund's Rule?

a)

Each orbital gets one e^- before any orbital gets a second e^- (p,d, & f subshells)

b)

Energy levels fill from lowest energy to highest

c)

Two electrons in the same orbital cannot have the same spin

41.

Pauli exclusion principle?

a)

Each orbital gets one e^- before any orbital gets a second e^- (p,d, & f subshells)

b)

Energy levels fill from lowest energy to highest

c)

Two electrons cannot have the same values for all four quantum numbers. (can't have the same spin)

42.

Aufbau

principle?

a)

Each orbital gets one e^- before any orbital gets a second e^- (p,d, & f subshells)

b)

Energy levels fill from lowest energy to highest

c)

Two electrons cannot have the same values for all four quantum numbers. (can't have the same spin)

43.

What element has the predicted electron configuration?

$1s^1$

(a)

44.

What element has the predicted electron configuration?

$1s^2$

(a)

45.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^64s^1$

(a)

46.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^64s^2$

(a)

47.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^64s^23d^3-or-1s^22s^22p^63s^23p^63d^34s^2$

(a)

48.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^64s^23d^4-or-1s^22s^22p^63s^23p^63d^44s^2$

(a)

49.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^64s^23d^7-or-1s^22s^22p^63s^23p^63d^74s^2$

(a)

50.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^64s^23d^5-or-1s^22s^22p^63s^23p^63d^54s^2$

(a)

51.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^2$

(a)

52.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^24p^1$

(a)

53.

What element has the predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^24p^2$

(a)

54.

What element has the following predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^24p^3$

(a)

55.

What element has the following predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^24p^4$

(a)

56.

What element has the following predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^24p^5$

(a)

57.

What element has the following predicted electron configuration?

$1s^22s^22p^63s^23p^63d^{10}4s^24p^6$

(a)

58.

How many electrons can an orbital hold?

(a)

59.

How many electrons can a s-type subshell hold?

(a)

60.

How many electrons can a p-type subshell hold?

(a)

61.

How many electrons can a d-type subshell hold?

(a)

62.

How many electrons can a f-type subshell hold?

(a)

63.

How many orbitals does a s-type subshell have?

(a)

64.

How many orbitals does a p-type subshell have?

(a)

65.

How many orbitals does a f-type subshell have?

(a)

66.

Match the following

a)

s-type subshell

1.

1 orbital

b)

p-type subshell

2.

3 orbitals

c)

d-type subshell

3.

5 orbitals

d)

f-type subshell

4.

7 orbitals

67.

Match the following

a)

s-type subshell

1.

2 electrons

b)

p-type subshell

2.

6 electrons

c)

d-type subshell

3.

10 electrons

d)

f-type subshell

4.

14 electrons

68.

Put the energy levels in the order that they fill with electrons. (from left to right)

a)

1s

b)

2s

c)

2p

d)

3s

e)

3p

1)

2)

3)

4)

5)

69.

Put the energy levels in the order that they fill with electrons. (from left to right)

a)

4s

b)

3d

c)

4p

d)

5s

e)

4d

1)

2)

3)

4)

5)

70.

Put the energy levels in the order of lowest energy to highest. (from left to right)

a)

1s

b)

2s

c)

2p

d)

3s

e)

3p

1)

2)

3)

4)

5)

71.

Put the energy levels in the order from lowest predicted energy to highest. (from left to right)

a)

4s

b)

3d

c)

4p

d)

5s

e)

4d

1)

2)

3)

4)

5)

72.

Match the following electron configurations with the element.

a)

H

1.

1s¹

b)

He

2.

1s²

c)

Li

3.

1s²2s¹

d)

Be

4.

1s²2s²

e)

B

5.

1s²2s²2p¹

73.

Match the following electron configurations with the element.

a)

C

1.

1s²2s²2p²

b)

N

2.

1s²2s²2p³

c)

O

3.

1s²2s²2p⁴

d)

F

4.

1s²2s²2p⁵

e)

Ne

5.

1s²2s²2p⁶

74.

Match the following electron configurations with the element.

a)

Na

1.

1s²2s²2p⁶3s¹

b)

Mg

2.

1s²2s²2p⁶3s²

c)

Al

3.

1s²2s²2p⁶3s²3p¹

d)

Si

4.

1s²2s²2p⁶3s²3p²

e)

P

5.

1s²2s²2p⁶3s²3p³

75.

Match the following electron configurations with the element.

a)

S

1.

1s²2s²2p⁶3s²3p⁴

b)

Cl

2.

1s²2s²2p⁶3s²3p⁵

c)

Ar

3.

1s²2s²2p⁶3s²3p⁶

d)

K

4.

1s²2s²2p⁶3s²3p⁶4s¹

e)

Ca

5.

1s²2s²2p⁶3s²3p⁶4s¹

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