Question

What is the number of lone electron pairs on the central atom of a molecule having a trigonal pyramidal molecular geometry, such as nh3?

Answer 1

Answer:

If there is one lone pair of electrons and three bond pairs the resulting molecular geometry is trigonal pyramidal (e.g. NH3). If there are two bond pairs and two lone pairs of electrons the molecular geometry is angular or bent (e.g. H2O).

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Answer 2

Answer:

If there is one lone pair of electrons and three bond pairs the resulting molecular geometry is trigonal pyramidal (e.g. NH3). If there are two bond pairs and two lone pairs of electrons the molecular geometry is angular or bent (e.g. H2O).

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