Question

Which one is more electronegative ? *
Cl,
F,
At

Answer 1

Answer:

Fluorine (F) is the most electronegative element.

Because

Electronegativity decreases down the group and increases across the period.

Answer 2

F-fluorine

Explanation:

Electronegativity increases from bottom to top in groups, and increases from left to right across periods. Thus, fluorine is the most electronegative element

its Electronegativity is 3.98