Consider an atom with four electrons in its outer shell. If that atom is covalently bound to three other atoms within a molecule, then it is
A. in single bonds with all three atoms.
B. in double bonds with all three atoms.
C. in a triple bond with one atom and in single bonds with two atoms.
D. in a double bond with one atom and in single bonds with two atoms.
E. in a single bond with one atom and in double bonds with two atoms.
Answer: D
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