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Electron Configurations and Quantum Numbers Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

According to the Aufbau principle, in what order do electrons occupy orbitals?

a)

Highest energy first

b)

Lowest energy first

c)

Same energy level first

d)

Opposite spin first

2.

How many electrons can the d sublevel hold?

a)

14

b)

2

c)

6

d)

10

3.

What is the principal quantum number that designates the principal electron shell of the atom?

a)

ml

b)

l

c)

n

d)

ms

4.

Which quantum number describes the shape of a given orbital?

a)

n

b)

l

c)

ml

d)

ms

5.

Write the 4 Quantum numbers of the LAST electron added of the following element; Oxygen (O)

a)

2, 1, 1, -1/2

b)

2, 2, 2, -1/2

c)

2, 1, 0, -1/2

d)

2, 2, 1, 1/2

6.

Name the orbitals described by the following quantum numbers: n = 3, l = 2

a)

3f

b)

3d

c)

3p

d)

3s

7.

Give the n and l values for the following orbitals: 4p

a)

n = 4, l = 0

b)

n = 4, l = 1

c)

n = 4, l = 2

d)

n = 4, l = 3

8.

What is the maximum number of electrons that can occupy the 3d sublevel?

a)

2

b)

6

c)

10

d)

14

9.

According to the Aufbau principle, which orbital is filled after 4s?

a)

4p

b)

4d

c)

4f

d)

5s

10.

What is the value of the magnetic quantum number (ml) for an electron in the 3p orbital?

a)

-1

b)

0

c)

1

d)

2

11.

According to the Pauli exclusion principle, what is the maximum number of electrons that can occupy an orbital?

a)

1

b)

2

c)

3

d)

4

12.

What is the value of the azimuthal quantum number (l) for an electron in the 4f orbital?

a)

0

b)

1

c)

2

d)

3

13.

Give the n and l values for the following orbitals: 6s

a)

n = 6, l = 0

b)

n = 6, l = 1

c)

n = 6, l = 2

d)

n = 6, l = 3

14.

Following the Aufbau principle, which orbital is filled after 3p?

a)

3d

b)

3f

c)

4s

d)

4p

15.

What is the value of the azimuthal quantum number (l) for an electron in the 5s orbital?

a)

0

b)

1

c)

2

d)

3