St5agpthelemiacoslo St5agpthelemiacoslo

20-02-2016
Chemistry

contestada

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.

Respuesta :

mattporowski mattporowski

21-02-2016

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.

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