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Nucleus of an element contains 9 protons...

Nucleus of an element contains 9 protons Its valency would be :

A

1

B

3

C

2

D

5

Text Solution

Verified by Experts

The correct Answer is:
A
Since its nucleus contain 9 proton so its. atomic number is 9 and its electronic configuration is 2, 7. So it requires one more electron to complete its octet. Hence its valency is 1.
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