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9 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Define 'Electron pair repulsion theory' |
The theory that states that the shape of a simple molecule depends on the number of shared pairs and lone pairs of electrons that surround the central atom. |
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2 Shared 0 Lone |
Linear 180° bond angle Eg. Beryllium chloride |
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3 Shared 0 Lone |
planar 120° bond angle Trigonal planar120° bond angleEg. Boron triflouride Eg. Boron triflouride |
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4 Shared 0 Lone |
Tetrahedral 109.5 bond angle Eg. Methane |
Not planar so angles can add to more than 360° |
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5 Shared 0 Lone |
Trigonal bipyramidal 120° bond angle Eg.phospherous pentaflouride |
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6 Shared 0 Lone |
Octahedral 90° bond angle Eg. Sulfur hexafluoride |
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4 Shared 1 Lone |
Triangular pyramid 107° bond angle Eg. Ammonia |
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2 Shared 2 Lone |
V shaped 104.5° bond angle Eg. Water |
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4 Shared 2 Lone |
Square planar 90° bond angle Eg. Chlorine tetrafluoride ion |
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