What is kryptonite used for?

Answer:
Kryptonite does not exist - outside of the Superman stories.

However, Krypton is the chemical element of atomic number 36, a member of the noble gas series. It is obtained by distillation of liquid air and is used in some kinds of electric light. (Symbol: Kr)
First answer by Maxiogee. Last edit by Maxiogee. Contributor trust: 681 [recommend contributor recommended]. Question popularity: 0 [recommend question].