Chromium(IV) oxide

Rarity: Uncommon

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

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO2. It is a black, synthetic, magnetic solid. It once was widely used in magnetic tape emulsion. With the increase in popularity of CDs and DVDs and more recently digital media, the use of chromium(IV) oxide has declined.

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

Image: Orci, Public domain, via Wikimedia Commons.