Thread:MewSeeko/@comment-33586669-20180424020834

ABOUT ELEMENT 87 AND ITS MOST COMMON USE:

Known as Francium, it is very radioactive. It also pretty much lasts a few minutes, and is extremely reactive to water, even so that it has never been put in water, and partially because of it's half life. (like about 22 minutes)

Heh.  