Oxygen
6 bonds
5 bonds
4 bonds
3 bonds
2 bonds
1 bond
none
O(+)
7 electrons
Effective Valence: 3
Organic
a)
b)
O
8 electrons
Effective Valence: 2
Organic
c)
d)
O(-)
9 electrons
Effective Valence: 1
Organic
e)
| Oxygen | 6 bonds | 5 bonds | 4 bonds | 3 bonds | 2 bonds | 1 bond | none |
| O(+) 7 electrons Effective Valence: 3 Organic |
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| O 8 electrons Effective Valence: 2 Organic |
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| O(-) 9 electrons Effective Valence: 1 Organic |
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