Problem: A carbon atom has 6 electrons however, its valency is 4. This is because the carbon atom _______. A) donates its 2 electrons to another atom B) shares its 2 electrons and bonds with another atomC) has 4 electrons in its first shell and 2 in the second shell.D) has 4 unpaired electrons in the second (valence) shell. 

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Carbon: contains four valence electrons → maximum of four bonds

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Problem Details

A carbon atom has 6 electrons however, its valency is 4. This is because the carbon atom _______. 

A) donates its 2 electrons to another atom 

B) shares its 2 electrons and bonds with another atom

C) has 4 electrons in its first shell and 2 in the second shell.

D) has 4 unpaired electrons in the second (valence) shell. 

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