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The halogen having five vacant orbitals ...

The halogen having five vacant orbitals in the outermost shell belongs to

A

3rd period

B

4th period

C

2nd period

D

5th period

Text Solution

Verified by Experts

The correct Answer is:
A
Five vacant orbitals (3d-level) are present in Cl `(1s^2 2s^2 2p^6 3s^2 3p^5)` which belongs to 3rd period.
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