Answer:
Krypton is considered to be non-toxic.
Characteristics: Krypton is a colorless, odorless, inert gas. Although it is extremely unreactive krypton can react with the very reactive gas fluorine.
Classification: Krypton is a noble gas
State: gas
Atomic weight: 83.80
Electron shells: 2,8,18,8
<u>Toxic to Superman</u>
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