Diamond is a covalently-bonded substance made of pure carbon. Each carbon atom has six total electrons so this means carbon shar es ________ electron(s) with other carbon atoms. A. one
B. two
C. four
D. six
2 answers:
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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