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If n = 3, l= 0, m = 0, then atomic numbe...

If n = 3, l= 0, m = 0, then atomic number is

A

12 or 13

B

13 or 14

C

10 or 11

D

11 or 12

Text Solution

Verified by Experts

n = 3, l = 0 means last shell is 3s.
`therefore` Electronic configuration will be
`1s^(2)2s^(2)2p^(6)3s^(1-2)`
Atomic number is 11 or 12.
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