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Atomic Orbitals
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VSEPR model
Memory game
By number of domains
Bonds + lone pairs = 2
Bonds + lone pairs = 3
Bonds + lone pairs = 4
Bonds + lone pairs = 5
5 bonds and no lone pairs
4 bonds and 1 lone pair
3 bonds and 2 lone pairs
2 bonds and 3 lone pairs
Bonds + lone pairs = 6
Bonds + lone pairs = 7
By molecular formula
Close panel
MX
5
(no lone pairs): trigonal bypyramid - PF
5
, PCl
5
and SF
5
-
.
Total number of domains = 5 (from 5 bonds and 0 lone pairs). Based on a
trigonal bypyramidal
arrangement of the 5 domains.