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Which of the following atoms has the low...

Which of the following atoms has the lowest ionization potential ?

A

`._(8)^(16)O`

B

`._(7)^(14)N`

C

`._(55)^(133)Cs`

D

`._(18)^(40)Ar`

Text Solution

Verified by Experts

The correct Answer is:
C
Energy required to lierate electron from outer will be minimum in `._(55)^(133)Cs` due to large size .
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