Electron Pair Geometry determines the spatial arrangement of a molecule's bonds and lone pairs. The electron pairs repel each other whether or not they are in bond pairs or in lone pairs. Thus, electron spread themselves as far as possible to avoid repulsion.
What is electron pair geometry of NF3, H2O, NOBr and GeH4 ?
NF3 (Nitrogen trifluoride)
Electron pair geometry is tetrahedral
There is one lone pair. Geometry would be then pyramidal
NOBr (Nitrosyl Bromide)
Electron pair geometry is triangular planar
One lone pair then geometry will be bent or angular
H2O (water)
Electron pair geometry is Tetrahedral
Two lone pair then geometry will be bent or angular
GeH4 (Germanium Hydride)
Electron pair geometry is Tetrahedral
Zero lone pair then geometry will be Tetrahedral
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