Number of electron groups around a molecule with sp hybridization is Two.
The number of orbitals used by a central atom that is hybrid in nature is equal to the number of electron groups around the central metal atom.
For sp hybridization,
number of hybrid orbitals = s and p i.e. 2
number of electron groups = 2
Hybridization tends to increase the overlap of the bonding orbitals since it explains the geometries of the molecule which cannot be explains by the earlier given VSEPR theory.
Number of hybrid orbitals = Number of electron groups = Number of atomic orbitals that are used to make a hybrid orbital.
The angle between constituting atoms in sp hybridization is 180° i.e. Linear.
Number of electron groups around a molecule with sp hybridization is Two.
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