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7 June, 02:45

What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?

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  1. 7 June, 03:23
    There are 4 electron pairs (3 bonding and 1 lone pair) so the angle is 107 degrees. The 4 electron pairs are repelled to give a tetrahedral arrangement but the molecule has a pyrimidal shape due to the lone pair.
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