Rhenium(IV) oxide

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Notion

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Science and technology

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What Wikipedia says

Rhenium(IV) oxide or rhenium dioxide is the inorganic compound with the formula ReO2. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It adopts the rutile structure.

Excerpt from the Wikipedia article “Rhenium(IV) oxide”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ben Mills, Public domain, via Wikimedia Commons.