Question

which of the following is more reactive and why~

F,Cl,Br,I

Answer 1

F....Fluorine is high reactive than other elements...

because it shows the property of non metal in a group

Answer 2

$ANSWER :-$

Fluorine is the most reactive of the halogens because it is at the top of the halogen group, which is the second to right group on the periodic table. With halogens, the higher an element is in the column, the more reactive it is.