Liquid hydrogen

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Liquid hydrogen (H2(l)) is the liquid state of the element hydrogen. Hydrogen is found naturally in the molecular H2 form.

Excerpt from the Wikipedia article “Liquid hydrogen”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Claus Ableiter, CC BY-SA 4.0, via Wikimedia Commons.