atom a lone pair(s) 1---Select---01234 atom a formal charge 2---Select---0+1+2+3
ID: 675611 • Letter: A
Question
atom a lone pair(s)1---Select---01234 atom a formal charge
2---Select---0+1+2+3-1-2-3 atom b lone pair(s)
3---Select---01234 atom b formal charge
4---Select---0+1+2+3-1-2-3 atom c lone pair(s)
5---Select---01234 atom c formal charge
6---Select---0+1+2+3-1-2-3 atom d lone pair(s)
7---Select---01234 atom d formal charge
8---Select---0+1+2+3-1-2-3 atom e lone pair(s)
9---Select---01234 atom e formal charge
10---Select---0+1+2+3-1-2-3 atom f lone pair(s)
11---Select---01234 atom f formal charge
12---Select---0+1+2+3-1-2-3 atom g lone pair(s)
13---Select---01234 atom g formal charge
14---Select---0+1+2+3-1-2-3 atom h lone pair(s)
15---Select---01234 atom h formal charge
Explanation / Answer
To asses the number of lone pairs on an atom count the number ofbonds. Bonds + Lone Pairs= 4. So for example oxygen (A) hastwo bonds to carbon and thuse must have two lone pairs.
The formula for formal charge is Family number - totalelectrons= formal charge. For example oxygen A has 6 electrons (1per bond 2 per lone pair) and has a family number of 6. 6-6=0formal charge.
I hope this helps =].
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