01-06-2015
Chemistry

Answered

What is the total number of electron pairs shared between the two atoms in an O2 molecule?
(1) 1 (3) 6
(2) 2 (4) 4

Answer :

lulu1991 lulu1991

01-06-2015

The answer is (2) 2 pairs. The oxygen atoms combine to get stable structure. So after the combination, each atom needs to have 8 electrons. So when they share 4 electrons can satisfy this requirement. Then there are 2 pairs shared.

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