Science Education
What are the freezing and melting points of krypton?
This might sound funny, but Krypton freezes and melts at the same temperature! That's not just a cool thing that Krypton does, but every material I know of freezes and melts at the same temperature! Freezing and melting are just different terms used to describe the transition between a material's solid and liquid states. Freezing usually means that energy is being removed from a material (liquid is changing to solid) and melting usually means that energy is being added to a material (solid is changing to liquid). Krypton melts/freezes at 115.64 Kelvin (-251.25° Fahrenheit) and boils/condenses at 119.78 Kelvin (-243.8° Fahrenheit). So, under normal conditions, Krypton is a gas.
Author:
Steve Gagnon, Science Education Specialist (Other answers by Steve Gagnon)
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