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  1. Cations and Anions: Definitions, Examples, and Differences

    Mar 3, 2020 · The chemical formula of a compound is always written with the cation first, followed by the anion. For example, Na is the cation and Cl is the anion in NaCl (table salt).

  2. Cations and Anions - Ions | ChemTalk

    A cation is an ion that has lost one or more electrons, giving a net positive charge. Because one or more electrons are removed to form a cation, the cation of an atom is smaller than the neutral atom.

  3. CATION Definition & Meaning - Merriam-Webster

    The meaning of CATION is the ion in an electrolyzed solution that migrates to the cathode; broadly : a positively charged ion.

  4. 7.3: Cations - Chemistry LibreTexts

    Some elements lose one or more electrons in forming ions. These ions are known as " cations " because they are positively charged and migrate toward the negative electrode (cathode) in an …

  5. Cation - Properties, Symbols and Formation | CK-12 Foundation

    Jan 1, 2026 · Cations Sodium loses an electron to become a cation. Some elements lose one or more electrons in forming ions. These ions are known as “ cations ” because they are positively charged …

  6. CATION | definition in the Cambridge English Dictionary

    CATION meaning: 1. in chemistry, an ion (= type of atom) that has a positive electric charge and therefore moves…. Learn more.

  7. Cation Definition and Examples - ThoughtCo

    May 5, 2019 · Cation definition, as used in chemistry, chemical engineering, and physics, along with examples.

  8. Cation | chemistry | Britannica

    Cation, atom or group of atoms that bears a positive electric charge. See.

  9. Cation Definition - Intro to Chemistry Key Term | Fiveable

    A cation is a positively charged ion that results from the loss of one or more electrons by an atom or molecule. Cations are an essential concept in understanding chemical nomenclature and the periodic …

  10. CATION Definition & Meaning | Dictionary.com

    CATION definition: a positively charged ion that is attracted to the cathode in electrolysis. See examples of cation used in a sentence.