Question

1. [ PF4 ]+
(a) What is the electron-group geometry, according to VSEPR theory?
(b) What is the molecular geometry?
(c) Is this species polar or nonpolar?
(a) The electron-group geometry is tetrahedral.
(b) The molecular geometry is also tetrahedral.
(c) This species is nonpolar because the four fluorine atoms are arranged symmetrically around the central phosphorus atom.

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