1.

Which element is most electropositive and most electronegative respectively ?

Answer»

K, Cl
NA. I
Cs, F
Na. F

SOLUTION :
Na, K, Cs are ALKALI metals of group ONE. Among the three Cs has least electronegativity and is most electropositive.
Cl and F are halogen element of group seven. Among the two F is more ELECTRONEGATIVE and F is most electronegative, among all.


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