Sunshine447
Use VSEPR theory to predict bond angles in the following covalent bond molecules.
a. methane
b. ammonia
c. water



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@ganeshie8

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@amistre64

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@hartnn

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@hba @mark_o.

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methane = CH4
Shape = (4 + 4)/2 = 4 tetrahedral angle 109.5

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ammonia = NH3
shape = (5 +3)/2 = 4 but it has 1 lone pair (repulsion) angle 107.5

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what is the "bond angle" part

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water H20
(6 + 2)/2 it has 2 Lp So bond angle is 104.5

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hope this helps

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how do you find the bond angle?

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@Yahoo! how do you find the bond angle? i dont understand....

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@sirm3d can you help me?

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the angles between bonds were computed using solid geometry, and the results were provided as facts in textbooks.