Answer the following question given this paragraph: 

The magnetic quantum number , signified as , describes the orbital orientation in space. Electrons can be situated in one of three planes in three dimensional space around a given nucleus and . For a given value of the angular momentum quantum number , there can be values for . As an example:.


Q: What is the term for the number that describes an electron's orbital orientation in space?

 Choices:

- magnetic electron number

- relative quantum number

- imaging quantum number

- magnetic quantum number

A:
magnetic quantum number
