Question

What is the electron configuration for bromine?

Answer 1

[Ar] `4s^(2)3d^(10)4p^5`

Explanation:

All you need to do is work your way across the periodic table filling the orbitals as you go

The full version of this is: `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(10)4p^5`