Hydrogen Ion (Chemistry)

Contents

Key Stage 4

Meaning

A Hydrogen ion, sometimes called a proton, is a positive ion of Hydrogen found in acid solutions.

About Hydrogen Ions

Foundation

When an acid compound dissolves in water it forms Hydrogen ions.

Hydrogen ions are responsible for the corrosive properties of acids.

Higher

As the pH of a solution decreases by 1 the Hydrogen ion concentration increases by a factor of 10.

Examples

HCl(s) H₂SO₄ HNO₃ H₂CO₃ H₃PO₄ CH₃COOH