Chemistry - VSEPR Theory Unit 1 Section 5 WJEC New Unit.

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What shape has a bond angle of 109.5
Tetrahedral
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Valency Shell "" pair "" theory
Electron, repulsion
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From 1 bonded pair to 6, every molecular shape (Not lone pair versions)
Linear, Trigonal Planar, Tetrahedral, Trigonal bipyramidal, Octahedral
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Bond angle of an Octahedral molecule
90
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Name of the shape of a water molecule
Bent
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3 bonded 1 lone pair, name it.
Trigonal Pyramidal
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How many lone pairs does a bent molecule have?
2
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What does VSEPR Theory actually mean in terms of a molecule?
Each Electron is equally repelled from another, this means that when it makes a shape it makes the shape where every electron is an equal distance apart, and shapes itself in such a way so that every electron is as far away as possible
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What is a lone pair?
A pair of electrons not bonded to another atom
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What allows us to predict a molecules shape?
VSEPR Theory
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Bond angle of a Trigonal Planar molecule
120
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Bong angle of a Bent molecule
107.5
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Bond angle(s) of a trigonal bipyramidal shape
90 from vertical to side, 120 everywhere else
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Other cards in this set

Card 2

Front

Valency Shell "" pair "" theory

Back

Electron, repulsion

Card 3

Front

From 1 bonded pair to 6, every molecular shape (Not lone pair versions)

Back

Preview of the front of card 3

Card 4

Front

Bond angle of an Octahedral molecule

Back

Preview of the front of card 4

Card 5

Front

Name of the shape of a water molecule

Back

Preview of the front of card 5
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