Which of the following is a characteristic property of the halogen? A. They are very reactive B. They are very stable C. They are metals D. They are all gases

Halogens are non metallic elements in periodic table. It belongs to group 17 in the periodic table. Halogen family consists six elements that is Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), Astatine (At) and Tennessine (Ts).

What are the characteristics property of halogen ?

They are nonmetals.
Halogens have 7 valence electrons.
They are highly reactive with alkaline earth metal and alkali metals.
Halogens are not stable.

Thus, from the above conclusion we can say that They are very reactive is a characteristic property of halogen.

Hence, Option (A) is correct answer.

Learn more about the Halogen here: https://brainly.com/question/2731466

#SPJ2