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Hydroxide ion

The hydroxyl radical is a simple compound that when combined with metals usually forms bases like NaOH.

Chemical Formula: OH^-

Layman's explanation: In 1923, Johannes Bronsted and Thomas Lowry proposed that a Bronsted-Lowry base is any substance that can accept a proton. They found that hydroxide anion acts as a proton acceptor. When high concentrations of hydroxide are present in solution, the solution is said to be basic, having a pH above 7. It falls into the Bronstead-Lowry definition of a base because it acts as a proton acceptor. Hydroxide, when combined with other elements, serves many purposes. Aluminum hydroxide is a safe antacid used to treat indigestion, gastric and duodenal ulcers, and efflux oesophagitis.

Keywords: antacid, basic

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