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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

Toxic to Superman

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