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Mathematics 5 Online
OpenStudy (anonymous):

what is the bond angle between the hydrogen atoms in an ammonia molecule?

OpenStudy (yaya090600):

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.

OpenStudy (anonymous):

Okay thnx. This will be very helpful.

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