Respuesta :
Halogens are the most reactive elements. Halogens include: fluorine, chlorine, bromine, iodine, and astatine
Among all the elements on periodic table, Halogen (17th group) elements are most reactive 'cause of high electronegativity. & among all of them, "Fluorine" is most reactive.
In short, Your Answer would be "Halogens"
Hope this helps!
In short, Your Answer would be "Halogens"
Hope this helps!