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Electron Configuration Practice

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What is the total number of electrons found in an atom of sulfur?

a)

A. 6

b)

B. 8

c)

C. 16

d)

D. 32

2.

What is the total number of valence electrons in an atom of phosphorus in the ground state?

a)

A. 5

b)

B. 2

c)

C. 3

d)

D. 7

3.

An atom of which element in the ground state has a complete outermost shell?

a)

He

b)

Be

c)

Hg

d)

H

4.

Which element has six valence electrons in each of its atoms in the ground state?

a)

Se

b)

As

c)

Kr

d)

Ga

5.

Which atom in the ground state has a stable valence electron configuration?

a)

Ar

b)

Al

c)

Si

d)

Na

6.

What is the total number of valence electrons in a calcium atom in the ground state?

a)

8

b)

2

c)

18

d)

20

7.

What is the total number of valence electrons in an atom of germanium in the ground state?

a)

8

b)

2

c)

14

d)

4

8.

What is the total number of electrons in the valence shell of an atom of aluminum in the ground state?

a)

8

b)

2

c)

3

d)

10

9.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
10.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2s2p3s3p5
b)
1s2s2p3s3p6
c)
1s2s2p3s3p7
11.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
12.

Choose the correct shortcut configuration for iodine.

a)

[Ar]4s24d104p5

b)

[Kr]5s24d105p5

c)

[Xe]5s25d105p5

d)

none of the above