| Plural | kryptons |
krypton gas
krypton laser
Superman's weakness is kryptonite.
Krypton is a noble gas.
Krypton is used in certain types of lighting.
Krypton gas is often used in lasers.
Krypton has several stable isotopes.
Krypton is not very reactive.
Krypton is found in trace amounts in the atmosphere.
Krypton is used in some types of insulation.
Krypton gas is colorless and odorless.
Krypton is named after the Greek word for hidden.
krypton gas
krypton laser
Superman's weakness is kryptonite.
Krypton is a noble gas.
Krypton is used in certain types of lighting.
Krypton gas is often used in lasers.
Krypton has several stable isotopes.
Krypton is not very reactive.
Krypton is found in trace amounts in the atmosphere.
Krypton is used in some types of insulation.
Krypton gas is colorless and odorless.
Krypton is named after the Greek word for hidden.
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