Question

What happens when aluminum fills its valence shell?

A. Three electrons are lost, creating Al ^ +3

B. Three electrons are gained, creating Al ^ -3

C. Three electrons are gained, creating Al ^ +3

D. Three electrons are lost, creating Al ^ -3

Answer 1

i beileve the answer is B

Answer 2

Correct answer is B. Three electrons are gained, creating Al ^ -3

Step-by-step explanation:

Aluminum in its valence shell has 3 electrons, this shell can have a maximun of 6 electrons. Then, to fill its valence shell, 3 electrons must be gained, and then the valence shell would have 6 electrons and would be complete.

If 3 electrons are gained, then Aluminum, would have a charge of -3, since each electron gained gives negative charge to the atom.

Al^ -3 is a ion of aluminum with charge -3.