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Grade: 12
        
totel no. of elements which have less IE1 than that of ‘N”-
Be,B,C,F,P,He
9 months ago

Answers : (2)

Parm
17 Points
							
IE 1 of Beryllium,Boron,Carbon and Oxygen  is less than that of Nitrogen. the IE 1 of helium and flourine is more because flourine will gain e-1 easily and helium is nobel gas
9 months ago
SALETH
14 Points
							
IE1 of Be - 899 KJ/mol
            B - 800
            C -1086
            F - 1680
            P - 1012
            He - 2372
So, IE1 of F and He are greater than N
9 months ago
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