69.6k views
3 votes
How many quantum numbers are needed to describe the energy state of an electron in an atom?

1 Answer

5 votes
There are a total of four quantum numbers needed:

1) The principal quantum number (n),
2) The orbital angular momentum quantum number (l),
3) The magnetic quantum number (ml),
4) The electron spin quantum number (ms)

Hope this helps!
User ManniAT
by
8.0k points