Quantum Numbers Quiz

What does the principal quantum number determine in an atom?

• The shape of the orbital

• The energy level of the orbital

• The orientation of the orbital in space

• The spin of the electron

Which quantum number determines the shape of an atomic orbital?

• Principal quantum number

• Angular momentum quantum number

• Magnetic quantum number

• Spin quantum number

What is the maximum number of electrons that can occupy an orbital with a magnetic quantum number of 0?

• 1

• 2

• 3

• 4

Which quantum number describes the orientation of an orbital in space?

• Principal quantum number

• Angular momentum quantum number

• Magnetic quantum number

• Spin quantum number

What are the possible values of the spin quantum number?

• -1, 0, 1

• 0, 1

• -2, -1, 0, 1, 2

How many quantum numbers are needed to uniquely identify an electron in an atom?

• 2

• 3

• 4

• 5

Which quantum number(s) are integer values?

• Principal and angular momentum quantum numbers only

• Magnetic quantum number only

• Principal, angular momentum, and magnetic quantum numbers

• Spin quantum number only

In molecular orbitals, the combination of atomic orbitals results in the formation of:

• Only bonding orbitals

• Only antibonding orbitals

• Both bonding and antibonding orbitals

• Neither bonding nor antibonding orbitals

What is the principal quantum number of an electron in the 3d orbital?

• 2

• 3

• 4

• 5