Question

what property of all elements in the column of the periodic table as fluorine have in common ? a: all have valency 1 ... b: all are electronegative elements ... c: all are electronegative elements and have valency 1 ... d: all are electropositive​

Answer 1

Answer:

c

Explanation:

because they show electronegative property and with valency of 1.

b can also be there but I am abit not sure for b.