How many lone pairs of electrons are on the N atom in NH3?
0 |
1 |
2 |
3 |
Which molecule contains a triple bond?
Cl2 |
HCCH |
O3 |
Cl2CO |
Which of the following contains an atom that does not obey the octet rule?
PBr3 |
SO2 |
RbCl |
CI4 |
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Consider the molecule NH3, where N is the central atom. How many lone pairs of electrons are on the central atom (N) in this molecule?
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