a
trigonal planar
b
octahedral
c
square planar
d
tetrahedral
Explanation
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Myschool Amos
10 years ago
Here is an explanation:
The ammonia molecule has a trigonal pyramidal shape as predicted by the valence shell electron pair repulsion theory (VSEPR theory) with an experimentally determined bond angle of 106.7°. The central nitrogen atom has five outer electrons with an additional electron from each hydrogen atom.
REF: https://en.wikipedia.org/wiki/Ammonia

Paul Miracle A.
11 years ago
this website is just so annoying...failing questions that are originally right. The mangement need to look into this matter, ammonia is trigonal pyramidal not whatever myschool says





