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 …

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.

Nov 20, 2021 · In chemistry, the definition of an ion is an electrically charged atom or molecule. This means the atom or molecule has an unequal number of protons and electrons.

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

If there are more protons in an atom, it becomes a positively charged ion, or a cation. On the other hand, if there are more electrons, it is a negatively charges ion, or an anion. Since opposite …

What is an ion in chemistry? In this simple, beginner-friendly tutorial, you’ll learn what ions are, how they form, and the difference between cations and anions.

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 …

May 21, 2024 · An ion is an atom or molecule with more or less electrons than usual, giving it a positive or negative electric charge. Because an ion "wants" to become neutral by acquiring or …

What is an Ion? An ion can be defined as a chemical species which holds a positive or negative charge of some magnitude. The term ‘ion’ can be used to refer to atoms or molecules that …

Aug 30, 2025 · An ion is an atom or molecule with a net electrical charge. Atoms are typically neutral, containing an equal number of positively charged protons and negatively charged …