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Author Topic: how to find how many pairs of lone pair in a molecule?  (Read 8385 times)

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jacky_811

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how to find how many pairs of lone pair in a molecule?
« on: April 19, 2009, 02:40:21 AM »

how to find how many pairs of lone pair in a molecule?
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Lilly

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Re: how to find how many pairs of lone pair in a molecule?
« Reply #1 on: April 19, 2009, 05:03:06 AM »

You would draw the covalent bonding (shared pair of electrons between atoms) and what ever is left are the lone pair of electrons.

for example in water:


This molecule has 2 pairs of lone pairs of electrons (those not involved in bonding).

Hope this helps :)
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