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

User Asmb
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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.
User Andrii Abramov
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