Question

What are the four quantum numbers for bromine?

Answer 1

The four quantum numbers for electron 35 (Br) are: 4,1,0, -1/2

Explanation:

The first quantum number tells you that the electron (#35) is in the fourth energy level.

The second quantum number tells you this electron is in a p sublevel.

The third quantum number tells you which orbital the electron is in.

The fourth quantum number tells you that this electron is a down spin electron.

Here is a video which discusses a few other examples of determining quantum numbers.

Hope this helps!