Krypton (from Ancient Greek: κρυπτός, translit. kryptos "the hidden one") is a chemical element with symbol Kr and atomic number 36. It is a member of group 18 (noble gases) elements. read more
Krypton difluoride (KrF 2) is the easiest krypton compound to make and gram amounts of it have been produced. For those that are curious, pictures of krypton gas and krypton plasma can be found in the Questions and Answers section of this site. read more
Krypton is a fictional planet appearing in American comic books published by DC Comics. The planet is the native world of Superman and is named after the element krypton. The planet was created by Jerry Siegel and Joe Shuster, and was first referred to in Action Comics #1 (June 1938). read more