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I.P values (in ev) of Na, Mg, Al, Si,Ar ...

I.P values (in ev) of Na, Mg, Al, Si,Ar are 5.47,7.6,5.98,8.15,15.75 (some values are given). Then I.P of K will be:

A

10ev

B

8ev

C

4.3ev

D

6.7ev

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