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Diamond is a covalently-bonded substance made of pure carbon. Each carbon atom has six total electrons so this means carbon shares ________ electron(s) with other carbon atoms.

Aone
Btwo
Cfour
Dsix

Verified Answer :

Dracula419

when two carbon atoms are covalently bonded together, they try to achieve an octet structure so their electrons are 4 in number while each of them donates their remaining 2 so they end up sharing 4.

A stable atom would need 8 valence electrons, so since its sharing, lets subtract. 

8 - 6 = 2

It needs only 2 valence electrons. 

Answer: 2

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