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Electron Configurations

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
2.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
3.

Which of the following is not a correct designation for a sublevel?

a)

zz

b)

p

c)

d

d)

f

4.

Which element is depicted from this orbital diagram?

a)

Fluorine (9)

b)

Neon (10)

c)

Chlorine (17)

d)

Argon (18)

5.

Write the electron configuration

a)

1s22s22p6

b)

1s12s12p3

c)

1s22s22p63s2

d)

1s22s22p63s3

6.

What do you start an electron configuration with?

a)

1s2

b)

1d10

c)

1f14

d)

1p6

7.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
8.
Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
9.

Which orbital shows a violation of Hund's Rule (bunk bed rule)?

a)

A

b)

B

c)

C

d)

D

10.

Which orbital shows a violation of the Pauli Exclusion Principle (2 electrons with opposite spins)?

a)

A

b)

B

c)

C

d)

D

11.

Which orbital shows a violation of the Aufbau Principle (lowest levels filled first)?

a)

A

b)

B

c)

C

d)

D

12.

Write the electron configuration for the element.

a)

1s12s12p33s1

b)

1s22s22p53s1

c)

1s2s2p3s

d)

1s22s22p63s1

13.

This orbital diagram represents:

a)

C (6)

b)

B (5)

c)

N (7)

d)

O (8)

14.

What is the next orbital filled after 4s?

a)

5s

b)

3d

c)

4p

d)

3p

15.

What is the next orbital filled after 4d?

a)

6p

b)

5d

c)

5p

d)

4f

16.

What is the correct electron configuration for Phosphorus (15)?

a)

1s22s22p63s23p4

b)

1s22s22p63s23d3

c)

1s22s22p63s23p3

d)

1s2s2p3s3p

17.

What is the correct electron configuration for Titanium (22)?

a)

1s22s22p63s23p4

b)

1s22s22p63s23p64s23d2

c)

1s22s22p63s23p64s24p2

d)

1s22s22p63s23p64s24d2

18.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
19.

The electron configuration for Cobalt is 1s22s22p63s23p64s23d7. What would the ion configuration look like if Cobalt has a +2 charge?

a)

1s22s22p63s23p64s23d7

b)

1s22s22p63s23p63d7

c)

1s22s22p63s23p64s23d5

d)

1s22s22p63s23p64s23d10

20.

The electron configuration for Nitrogen is 1s22s22p3. What would the electron configuration of the ion look like if Nitrogen has a -3 charge?

a)

1s22s22p6

b)

1s22s2

c)

1s22s22p3

d)

1s22s22p5

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