Hydroxide

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

Hydroxide (occasionally hydroxyl ion) is a diatomic anion with chemical formula OH−. It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water.

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

Image: Paco naranjo jimenez, CC BY-SA 4.0, via Wikimedia Commons.