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The number of valence electrons in the O...

The number of valence electrons in the `O^(2-)` ion is

A

4

B

6

C

8

D

10

Text Solution

Verified by Experts

The correct Answer is:
D
No. of valence electron in one O atom =8
`O^(2)-`represents gain of two l electrons
`:. ` No. of valence electrons =8+2=10
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