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Shapes and Molecules
Octet shapes
Question | Answer |
---|---|
2 regions of electron density on X, 2 bonds and no non-bonding pairs | Linear |
Bond angle for a linear shape | 180 |
3 regions of electron density on X, 2 bonds and 1 non-bonding pair | Bent |
Bond angle for Bent shape, eg SO2, NO2 | 120 |
4 region of electron density on X, 2 bonding and 2 non-bonding pairs | Bent |
3 regions of electron density on X, 3 bonds and no non-bonding pairs | Trigonal planar |
Bond angle for Trigonal planar | 120 |
4 regions of electron density on X, 3 bonds and 1 non-bonding pair | Trigonal pyramid |
Bond angle for Trigonal pyramid | 109 |
5 (oe 6) regions of electron density on X, 3 bonds and 2 non bonding pairs | T-shaped |
Bond angle for T shaped | 90 |
4 regions of electron density on X, 4 Bonds and no non-bonding pairs | Tetrahedral |
Bond angle for Tetrahedral | 109 |
5 regions of electron density on X, 4 bonds and 1 non-bonding pair (2 names) | See-saw or distorted tetrahedral |
bond angle for see-saw or distorted tetrahedral | 90, 120 |
6 regions of electron density on X, 4 bonds and 2 non-bonding pairs | square planar |
5 regions of electron density on X, 5 bonds and no non bonding pairs | Trigonal bipyramid |
bond angle for square planar | 90 |
6 regions of electron density on X, 5 bonds and 1 non-bonding pair | square pyramid |
bond angle for square pyramid | 90 |
6 regions of electron density on X, and no non-bonding pairs | octahedral |
bond angle for octahedral | 90 |