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Worksheets

Atomic Structure & Periodic Table

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the electron configuration of carbon?

a)

1s2 2s2 2p2

b)

1s2 2s3 2p3

c)

1s2 2s3 2p1

d)

1s2 2s1 2p3

2.

How many electrons can the second energy level hold?

a)

8

b)

16

c)

12

d)

4

3.

What is the electron configuration of oxygen?

a)

1s2 2s3 2p3

b)

1s2 2s2 2p4

c)

1s2 2s2 2p3

d)

1s2 2s1 2p5

4.

What is the electron configuration of sodium?

a)

1s2 2s2 2p6 3s1

b)

1s2 2s2 2p6 3s2

c)

1s2 2s2 2p6 3s0

d)

1s2 2s2 2p6 3s3

5.

How many electrons are in the p sublevel?

a)

2

b)

6

c)

4

d)

8

6.

What is the electron configuration of magnesium?

a)

1s2 2s2 2p5 3s2

b)

1s2 2s2 2p6 3s1

c)

1s2 2s2 2p6 4s1

d)

1s2 2s2 2p6 3s2

7.

What is the electron configuration of chlorine?

a)

1s2 2s2 2p6 3s2 3p4

b)

1s2 2s2 2p6 3s2 3p5

c)

1s2 2s2 2p6 3s2 3p3

d)

1s2 2s2 2p6 3s2 3p6

8.

How many electrons are in the d sublevel?

a)

10

b)

5

c)

8

d)

12

9.

What is the electron configuration of sulfur?

a)

1s2 2s2 2p6 3s2 3p4

b)

1s2 2s2 2p6 3s2 3p3

c)

1s2 2s2 2p6 3s2 3p2

d)

1s2 2s2 2p6 3s2 3p6

10.

How many electrons can the third energy level hold?

a)

12

b)

24

c)

18

d)

8

11.

What is the electron configuration of potassium?

a)

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

b)

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

c)

1s2 2s2 2p6 3s2 3p6 4s3 4p1

d)

1s2 2s2 2p6 3s2 3p6 4s3

12.

What is the electron configuration of neon?

a)

1s2 2s1 2p7

b)

1s2 2s2 2p6

c)

1s2 2s3 2p5

d)

1s2 2s2 2p5

13.

How many electrons are in the s sublevel?

a)

2

b)

4

c)

6

d)

8

14.

What is the electron configuration of aluminum?

a)

1s2 2s2 2p6 3s2 3p3

b)

1s2 2s2 2p6 3s1 3p1

c)

1s2 2s2 2p6 3s2 3p1

d)

1s2 2s2 2p6 3s2 3p2

15.

What is the electron configuration of argon?

a)

1s2 2s2 2p6 3s2 3p5

b)

1s2 2s2 2p6 3s2 3d10

c)

1s2 2s2 2p6 4s2 4p6

d)

1s2 2s2 2p6 3s2 3p6