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 the charge of a …

Nov 18, 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.

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

Jul 12, 2023 · What Is An Ion In Chemistry? An ion is an atom that has an electric charge because it’s either lost or gained one or more of its electrons. In chemistry, positively-charged ions are called …

Sep 2, 2022 · Ion definition chemistry (ion meaning): An ion is a charge-carrying atom or a charge-carrying molecule. An ion’s net charge is never zero since it possesses an unequal number of …

If an atom loses or gains electrons, it will become a positively or negatively charged particle, called an ion. The loss of one or more electrons results in more protons than electrons and an overall …

What is an Ion? An ion is an atom or molecule that carries an electric charge. Ions are identified by the use of a superscript to show the sign and size of their electric charge. Negatively charged ions are …

Nov 20, 2021 · Learn what an ion is in chemistry. Get the definition, examples, and the explanation for how to tell the charge of an ion.

Learn what ions are, how they form, and the difference between cations and anions. Understand ion properties, ionic compounds, and real-life examples. Simple explanation for students and beginners.

Add to word list physics, chemistry an atom that has a positive or negative electrical charge as the result of adding or taking away an electron (Definition of ion from the Cambridge Academic Content …