Respuesta :

Answer:

fluorine is the most electronegative element,

Explanation:

while francium is one of the least electronegative. (Helium, neon, and argon are not listed in the Pauling electronegativity scale, although in the Allred-Rochow scale, helium has the highest electronegativity.)

Answer:

A. Fluorine

Explanation:

It said that according to periodic law that the group seven elements are highly electronegativity and in reduce down the group

Which mean that it is Fluorine