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Electron Configurations

Total questions: 15

Worksheet time: 20mins

Name
Class
Date
1.

The electron configuration below is for which element?

1s22s22p63s23p64s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

2.

Which electron configuration belongs to chlorine (Cl)?

a)

1s2 2s2 2p6 3s2 3p5

b)

1s2 2s2 2p6 3s2 3p6

c)

1s2 2s2 2p6 3s2 3p7

3.

How many electrons can the d sublevel hold?

a)

14

b)

10

c)

2

d)

6

4.

How many electrons can the s sublevel hold?

a)

14

b)

10

c)

2

d)

6

5.

The electron configuration below is for which element?1s22s22p63s2

a)

Neon

b)

Magnesium

c)

Aluminum

d)

Potassium

6.

Which of the following is the noble gas (shorthand) configuration for iodine?

a)

[Ar] 4s24d104p5

b)

[Kr] 5s24d105p5

c)

[Xe] 5s25d105p5

7.

Each row of the periodic table represents a(n)

a)

Energy level

b)

Sublevel

c)

Electron

d)

Orbital

8.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
9.

Each orbital can hold how many electrons?

a)

5

b)

4

c)

8

d)

2

10.

Which of the following is the noble gas (shorthand) configuration for sulfur?

a)

[Ar] 3p4

b)

[He] 3s23p4

c)

[Ne] 3s23p4

d)

[Xe] 3s23p4

11.

Which of the following is the electron configuration for iron?

a)

1s22s22p63s23p64s23d6

b)

1s22s22p63s23p63d8

c)

1s22p63s23p64s23d6

d)

1s22s22p63s23p64s13d6

12.

The shorthand configuration below is for which element?

[Ne] 3s23p64s2

a)

Calcium

b)

Sodium

c)

Scandium

d)

Titanium

13.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
14.

Which of the following is the noble gas configuration for boron?

a)

[He] 1s22s2

b)

[He] 2s22p2

c)

[He] 2s22p1

d)

[Ne] 2s22p1

15.

How many sublevels are in the second energy level?

a)

1

b)

2

c)

3

d)

4