Hydrogen fluoride

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Notion

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Science and technology

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What Wikipedia says

Hydrogen fluoride is an inorganic compound with chemical formula HF. It is a colorless gas or liquid that dissolves in water to yield hydrofluoric acid and fumes strongly in air (hydrofluoric acid fumes rising being lighter than air).

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

Image: Streng, Public domain, via Wikimedia Commons.