Krypton, Kryptonite, and the Periodic Table of Death
Krypton (Kr) is colorless, odorless, tasteless (Hey. Like iocaine powder) except it is chemically inert, which means it really doesn’t react with anything (1). It is essentially harmless. Or is it? All the noble gases can asphyxiate if you visit a small unventilated space that is full of Kr and not full of enough oxygen or have friends in low places because Kr is five times heavier than air. The only upside is that Kr has a whole-body narcotic effect, so death is relatively painless. There is a radioactive version, Kr-85, that is highly toxic (2) and can cause all …