Question #150470. Asked by
BigTriviaDawg.
Last updated Feb 04 2024.
Originally posted Jan 14 2024 9:28 PM.
Helium happens to be the only element that can’t be solidified or frozen at normal atmospheric pressure.https://ctpcryogenics.com/whats-the-freezing-point-of-helium/
Only once you apply a pressure of 25 atmospheres at Helium’s freezing point of -458 °F (-272.22 °C) can you solidify it.
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