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H2 Chemistry 2 - Chemical Bonding: Shapes and Bond Angles of SF₄ and XeF₂

What you will learn

Uses VSEPR to count bonding pairs and lone pairs around S and Xe.
SF4 has 4 bonding pairs plus 1 lone pair, steric number 5, trigonal bipyramidal electron geometry.
Lone pair sits equatorially to minimise 90 degree repulsions: SF4 ends up see-saw with bond angles around 102 and 173 degrees.

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