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The possible value of l and m for the la...

The possible value of `l` and `m` for the last electron in the `Cl^(- )ion` are :

A

1 and 2

B

2 and +1

C

3 and -1

D

1 and -1

Text Solution

Verified by Experts

The correct Answer is:
D
`Cl_(17)^(-) : [Ne] 3s^(2)3p^(6)`.
Last electron enters 3p orbital.
`:.l=1` and m = 1, 0, -1.
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