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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
Bonds + lone pairs = 6
Bonds + lone pairs = 7
7 bonds and no lone pairs
6 bonds and 1 lone pair
5 bonds and 2 lone pairs
By molecular formula
Close panel
MX
5
(2 lone pairs): pentagonal planar - [IF
5
]
2-
and [XeF
5
]
-
.
Total number of domains = 7 (from 5 bonds and 2 lone pairs). Based on an
pentagonal bipyramidal
arrangement of the 7 domains.