With an atomic number of 36 and an atomic mass of 83.79u, what element is a colorless and noble gas that often leaves traces in the atmosphere?

Krypton is a chemical element found in the periodic table, and is one of the six noble gases along with helium, neon, argon, xenon, and radon. Krypton can be found naturally in air, but it is usually only released when krypton-85 (the most stable isotope) is produced by alpha decay of large radioactive deposits or events like nuclear bomb detonations.

Asked by Vasilii Kulev · Last updated 4 years ago · 1.8K views · SOURCE