Carbon: contains four valence electrons → maximum of four bonds
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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