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The IE1 , IE2 , IE3 and IE4 of an eleme...

The `IE_1 , IE_2 , IE_3` and `IE_4` of an element are 5.7, 11.03, 42.89, 57 eV respectively. The element is likely to be

A

P

B

Sr

C

F

D

Cs

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The correct Answer is:
B
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