Name the most reactive element.
Fluorine, because the atomic size of the fluorine is the smallest in the halogen family, also the nuclear attraction on the outermost electrons is maximum that makes it highly reactive.
(b) (i) Metals are generally solid at room temperature. Name the metal which is liquid at room temperature (say 25° C). (ii) Which element is the most reactive element of Group 1(IA) elements?
what is the most reactive element?
Which one of the following elements is most reactive?