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Among the elements A, B, C and D having ...

Among the elements A, B, C and D having atomic numbers 9, 10, 11 and 12 respectively the correct order of ionisation energies is 

A

`A gt B gt C gt D`

B

`B gt A gt D gt C`

C

`B gt A gt C gt D`

D

`D gt C gt B gt A`

Text Solution

Verified by Experts

The correct Answer is:
B
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