Molecule Shapes
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7 Terms
what are the rules for molecule shapes?
electron pairs repel each other, as far away from each other as possible, lone pairs repel more than bonding pairs.
features of the linear shape?
2 bonded regions, 0 lone pairs, 180 bond angle e.g. CO2
features of the non-linear shape?
2 bonded regions, 2 lone pairs, 104.5 bond angle e.g. H2O
features of the trigonal planar?
3 bonded regions, 0 lone pairs, 120 bond angle e.g. BF3
features of the pyramidal shape?
3 bonded regions, 1 lone pair, 107 bond angle e.g. NH3
features of the tetrahedral shape?
4 bonded regions, 0 lone pairs, 109.5 bond angle e.g. CH4
features of the octahedral shape?
6 bonded regions, 0 lone pairs, 90 bond angle e.g. SF6
Note 
Flashcards (23)