# A Short Quantum Physics Quiz

9 Questions | Total Attempts: 12770  Settings  Quantum theory is the theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic levels. This quiz is designed to test the basic knowledge about quantum atomic theory and atomic orbitals. Give it a shot and be better prepared for your class tests!

• 1.
The quantum mechanical model describes electrons as:
• A.

Particles

• B.

Waves

• C.

Particles with wave-like properties

• D.

Small, hard spheres

• 2.
Heisenberg’s Uncertainty Principle states that the ___ and ___ of an electron cannot be known simultaneously.
• A.

Position, mass

• B.

Position, charge

• C.

Momentum, speed

• D.

Position, momentum

• 3.
A wavefunction:
• A.

Is the solution to a differential equation known as a wave equation that describes the structure of an electron.

• B.

Is the solution to a differential equation known as a wave equation that describes the structure of an atom.

• C.

Is the differential equation used to describe the structure of an atom.

• D.

Is the differential equation used to describe the structure of an electron.

• 4.
There are ___ types of quantum numbers.
• A.

2

• B.

7

• C.

4

• D.

5

• 5.
The principle quantum number is related to:
• A.

The shape of the orbital

• B.

The spatial orientation of the orbital

• C.

The average distance of the most electron-dense regions from the nucleus

• D.

The number of electrons

• 6.
The angular momentum quantum number is related to n by ___, and describes:
• A.

(n-1), the spatial orientation of the molecule

• B.

(n-1), the shape of the orbital

• C.

(n+1), the spatial orientation of the molecule

• D.

(n+1), the shape of the orbital

• 7.
The different types of subshells and corresponding number of orbitals is:
• A.

S:1, p:3, d:5, f:7

• B.

S:2, p:6, d:10, f:14

• C.

N:1, l:0, m:0

• D.

S:7, p:5, d:3, f:1

• 8.
The magnetic quantum number describes the:
• A.

Shape of the orbital.

• B.

Spatial orientation of the orbital.

• C.

Average distance of the most electron-dens regions from the nucleus.

• D.

Number of electrons.

• 9.
The spin quantum number (ms) can have a value of:
• A.

-1/2, +1/2

• B.

-1/2, -3/2

• C.

+1, -1

• D.

0, +1

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