Hydrazine, N2H4, has ________ covalent bonds and ________ lone pairs.
A) 2; 2
B) 4; 2
C) 3; 4
D) 5; 2
Correct Answer:
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Q27: Methane has _ covalent bonds and _
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Q57: Hydrazine has _ valence electrons.
A) 14
B) 12
C)
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A) 20
B)
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A)two single bonds
B)two double
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