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Quantum Numbers, Atomic Orbitals, and Electron Configurations

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

What is the principal quantum number that represents the energy level of the electron?

a)

n

b)

l

c)

m sub l

d)

m sub s

2.

Which quantum number describes the shape of the orbital?

a)

l

b)

n

c)

m sub l

d)

m sub s

3.

What is the maximum number of electrons that can be accommodated in an s orbital?

a)

2

b)

1

c)

3

d)

4

4.

What is the Aufbau principle?

a)

Electrons in the same energy level must have the same spin values

b)

Electrons in the same orbital must have opposite spin values

c)

Electrons fill up orbitals according to their relative energies

d)

Electrons in the same energy level must have opposite spin values

5.

What is the electron configuration of a neutral chlorine atom?

a)

1s2 2s2 2p6 3s2 3p5

b)

1s2 2s2 2p6 3s2 3p4

c)

1s2 2s2 2p6 3s2 3p3

d)

1s2 2s2 2p6 3s2 3p6

6.

What is the term for atoms with unpaired electrons in their orbital diagrams?

a)

Paramagnetic

b)

Anisotropic

c)

Isotopic

d)

Diamagnetic

7.

What does the magnetic quantum number m sub l determine?

a)

Energy level of the electron

b)

Shape of the orbital

c)

Specific orbital amongst a set

d)

Spin of the electron

8.

What is the spin quantum number m sub s for every electron in an atom?

a)

1/2 or -1/2

b)

2

c)

0

d)

1