It is not.
Xenon barely reacts at all.
It is as reactive as indium. Just kidding, it is reactive. Hoe reactive, more reactive than silver, but not as reactive as tin.
reactive
helium is non reactive.
Cerium is reactive but not highly reactive.
Hydrogen IS reactive
reactive.
it is reactive
fluorine is the most reactive
Manganese is not very reactive; the electronegativity is 1,55.
Reactive
reactive
no it is not reactive