the purpose of wipp is to isolate and dispose tru waste, in a way that is safe for the public . (discard the rating i accidentally clicked it)
well a basic explanation is that some elements have enough electrons to be considered stable. these elements do not need to react with other elements to gain more electrons. reactive elements are no where near stable; they respond with other elements in order to become stable. the more unstable, the harsher the reaction is.