hydrogen ion
[/ˈhaɪdrədʒən ˈaɪən/]
nounpl: hydrogen ions
íon de hidrogênio
1. a positively charged atom of hydrogen (H+) formed by the loss of an electron; also known as a proton in aqueous solutions
The concentration of hydrogen ions determines the acidity of a solution.
A concentração de íons de hidrogênio determina a acidez de uma solução.
2. in chemistry, the hydronium ion (H3O+) formed when a hydrogen ion combines with water
Hydrogen ions in water exist primarily as hydronium ions.
Os íons de hidrogênio na água existem principalmente como íons hidrônio.
This is a technical scientific term used universally in chemistry education and research across both Brazil and the United States. It is fundamental to understanding pH, acid-base chemistry, and aqueous solutions. The term is standardized in academic curricula and does not vary significantly between regions or cultures.
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