Krypton gas is not a highly reactive substance, so it is not hazardous of its own accord. However, it can deplete oxygen in the atmosphere and cause asphyxiation. Krypton is known as an asphyxiant.
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Krypton is a nonmetal. It is a noble gas
Krypton can be a solid, a liquid or gas depending on temperature and pressure. In solid form, it is a white crystalline material. You might recall that krypton is a noble or inert gas, and it boils at about −157 °C, and melts at about -153 °C. We don't see solid krypton anywhere but in the laboratory.
Only krypton (Kr) is a noble gas.
Krypton is a gas.
No, krypton is normally not radioactive. Almost 60% of krypton is composed of krypton-84.
Krypton is a gas at STP 1 atm. and 25oC
Krypton is a gas under normal conditions, so the idea of lustre doesn't really apply.
Krypton is a gas
Krypton is a diamagnetic gas.
Krypton is not a metal, so therefore, it is not shiny or dull. It is a noble gas, and it's colorless and odorless.
Krypton is a gas and Uranium is a solid