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28 December, 13:42

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.

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Answers (1)
  1. 28 December, 14:29
    0
    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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