## Electron Affinity of Beryllium & Magnesium

Jynelle Brillantes 1E
Posts: 8
Joined: Wed Nov 16, 2016 3:02 am

### Electron Affinity of Beryllium & Magnesium

Why are the electron affinity values for beryllium (Be) and magnesium (Mg) $\leq$ 0?

awidodo
Posts: 9
Joined: Sun Mar 19, 2017 3:00 am

### Re: Electron Affinity of Beryllium & Magnesium

Beryllium and Magnesium both have full valence sub-shells, which makes them more stable than if they had any more electrons.