An ion (/ ˈaɪ.ɒn, - ən /) [1] is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to …

Dec 26, 2025 · Ion, any atom or group of atoms that bears one or more positive or negative electrical charges. Positively charged ions are called cations; negatively charged ions, anions.

The meaning of ION is an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons. How to use ion in a sentence.

Sep 4, 2019 · Learn the definition of an ion, as used in chemistry, chemical engineering, and physics, plus review examples of ions.

ION definition: 1. an atom or small group of atoms that has an electrical charge because it has added or lost one…. Learn more.

ION definition: an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation positive ion, which is created by electron loss and is attracted to …

Read this tutorial to learn about what an ion is, the differently charged ions, and how they are involved in different branches of chemistry!

Ionizing the atom breaks it into two parts: (1) a positively charged hydrogen ion, H+ (2) and a negatively charged electron. A liquid with ions is called an electrolyte.

ION meaning: 1. an atom or small group of atoms that has an electrical charge because it has added or lost one…. Learn more.

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