Chemistry
Kellycaitlyn
15

How many valence electrons does a neutral atom of aluminum have? A. 3 B. 10 C. 13 D. More information is needed to figure this out.

+1
(1) Answers
genesisbazemore

A. Valence electrons are the electrons on the outermost energy level. If you write out the electron configuration you add all of the electrons on the 3rd energy level. 

Add answer