hydroxide
OH⁻
A hydroxide is a negatively charged polyatomic ion that consists of one oxygen and one hydrogen atom, written as OH-. In chemistry, hydroxide refers to a molecule or ion that contains an oxygen and a hydrogen atom bonded together by a covalent bond, with the oxygen atom bearing a negative charge due to the presence of two lone pairs of electrons, while the hydrogen atom has a partial positive charge. Hydroxide has its applications in various fields, including chemical reactions, acid-base chemistry, and inorganic chemistry. It is commonly used in the production of soaps and detergents, as well as in the treatment of wastewater. In an aqueous solution, hydroxide ions combine with hydrogen ions to form water, a process known as neutralization.
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