Why if fluorine (F)a more active nonmetal than iodine (I)?

Question

Because fluorine is a gas and iodine is a solid at room temperature.

Because a fluorine atom has less valence electrons than an iodine atom.

Because fluorine has a higher electronegativity than iodine.

Because a fluorine atom has 9 protons and an iodine atom has 53 protons

Answer 1

the third one