Question

The element of group 17 are F, Cl, Br, and I . Which of these will form negative ions most readily and why ?

Answer 1

Answer:

Fluorine(F) forms negative ions most readily because it has highest electronegativity among all the elements

Answer 2

Chlorine will form negative ions readily because it has the highest electronegativity. However it is said that fluorine's electronegativity is highest but in actuality chlorine's electronegativity is the highest