Radium chloride

Rarity: Uncommon

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Notion

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Science and technology

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What Wikipedia says

Radium chloride is an inorganic compound with the chemical formula RaCl2. It is a radium salt of hydrogen chloride. It was the first radium compound isolated in a pure state. Marie Curie and André-Louis Debierne used it in their original separation of radium from barium.

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

Image: George K. Burgess, Director, US National Bureau of Standards, Public domain, via Wikimedia Commons.