Question #dd6c5

1 Answer
Jan 21, 2016

Answer:

A lone pair is a pair of valence electrons that is not shared with another atom.

Explanation:

You identify lone pairs by drawing a Lewis structure.

For example, the Lewis structure of water is

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The electrons between the O and H atoms are bonding pairs.

The electrons that are not between the O and H atoms are lone pairs.

The number of lone pair electrons plus the number of bonding electrons equals the number of valence electrons around an atom.