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Electron Configuration - Aufbau Principle

Total questions: 12

Worksheet time: 36mins

Name
Class
Date
1.

What is the maximum number of electrons each orbital can hold?

a)

4

b)

1

c)

2

d)

it varies

2.

In order of increasing energy, the correct order of energy sublevels would be _____.

a)

p, f, s, d

b)

s, p, d, f

c)

f, p, d, s

d)

f, d, p, s

3.

2p orbitals have ____________ a 2s orbital.

a)

higher energy than

b)

lower energy than

c)

the same energy as

4.

All five 3d orbitals are of equal energy

a)

true

b)

false

5.

How many electrons can an s sublevel hold?

a)

1

b)

2

c)

3

d)

4

6.

How many electrons can an f sublevel hold?

a)

2

b)

6

c)

10

d)

14

7.

How many electrons can a d sublevel hold?

a)

1

b)

2

c)

6

d)

10

8.

How many electrons can a p sublevel hold?

a)

1

b)

2

c)

4

d)

6

9.

The aufbau principle states that each electron wants to occupy the ______ energy orbital available.

a)

highest

b)

lowest

10.

What is the ground-state electron configuration for lithium?

a)

1s2 2s1

b)

1s2 2s2 2p1

c)

1s1 2s1 3s1

d)

1s2 2s2 3s2

11.

What is the ground-state electron configuration for potassium?

a)

1s2 2s2 2p2 3s2 3p2 4s2 3d2 4p2 5s2 4d2

b)

1s2 1p6 1d10 1f1

c)

1s2 2s2 3s2 2p6 3p6 4p1

d)

1s2 2s2 2p6 3s2 3p6 4s1

12.

What is the ground-state electron configuration for aluminum?

a)

1s2 2s2 2p2 3s2 3p2 4s2 3d2

b)

1s2 2s2 2p6 3s2 3p1

c)

1s2 2s2 3s2 2p6 3p1

d)

1s2 2s2 3s2 4s2 5s2 6s2 7s1