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Standard VII
Chemistry
Variable Valency
How many vale...
Question
How many valence electrons are present in Q?
A
4
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B
5
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C
6
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D
7
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Solution
The correct option is
B
5
Q
belongs to the group
V
A
or the
15
th (
n
s
2
p
3
) group. Therefore, it will have
5
valence shell electrons.
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