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  1. Institute of Noetic Sciences (IONS)

    The Institute of Noetic Sciences (IONS) is a nonprofit scientific research center and direct experience lab specializing in the intersection of science and profound human experience.

  2. Ion - Wikipedia

    Ions consisting of only a single atom are termed monatomic ions, atomic ions or simple ions, while ions consisting of two or more atoms are termed polyatomic ions or molecular ions.

  3. Ion | Definition, Chemistry, Examples, & Facts | Britannica

    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. Ions migrate …

  4. 3.2: Ions - Chemistry LibreTexts

    Ions can be positively charged or negatively charged. A Lewis diagram is used to show how electrons are transferred to make ions and ionic compounds.

  5. What Are Ions? Explaining Charged Atoms and Molecules

    Nov 19, 2025 · Understand the fundamental chemistry of ions—charged atoms and molecules—that enable life, electricity, and crucial chemical reactions.

  6. Ion - Properties, Symbols and Formation | CK-12 Foundation

    Nov 1, 2012 · Ions are atoms that have a positive or negative charge because they have unequal numbers of protons and electrons. If atoms lose electrons, they become positive ions, or cations.

  7. What Is an Ion in Chemistry? - Biology Insights

    3 days ago · An ion is an atom or a molecule that possesses a net electrical charge. Unlike a neutral atom, which has an equal number of protons and electrons, an ion has an imbalance between these …

  8. What Is an Ion? Definition and Examples - ThoughtCo

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

  9. What Is an Ion? Chemistry Definition - Science Notes and Projects

    Nov 20, 2021 · In chemical reactions, ions form when atoms or molecules gain or lose valence electrons. Only nuclear reactions change the number of protons in a chemical species. The two …

  10. Definition of ion - Chemistry Dictionary

    Ions form when doing so minimizes the total potential energy of the chemical species involved in the chemical reaction. Often, this is achieved by allowing atoms of different elements to achieve a full …