Respuesta :

meladicoc14

Answer:

c. 12

Explanation:

Oxygen has six valance electrons

Silicon has six valance electrons

There are a number of possible atomic numbers but all come from the VI A group of elements.

so i think that is your answer base on the statement given above hope that helps thanx

ara0420
Choice A

Those with 6 valence electrons are at Group 16. Under the circumstance of only picking through 8, 10, and 12, 8 is the only atomic number that has 6 valence electron.
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