average the following in increasing order of
1) Na, Mg ,Al, Si, P,S, Cl, Ar (I E)
2) Be , Mg, Ca, Sr, Ba( Atomic Radius)
3) F, Cl , Br , I ( Elctronegativity)
4) CH⁴ , C²H⁴, C²H² ( Elctronegativity)
5) N³-, O ²-, F-, Na+, Mg²+( ionic radius)
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I can't answer your question because I am in 7th class not in yours.
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Bye
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