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  • 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
  • Ion | Definition, Chemistry, Examples, Facts | Britannica
    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 under the influence of an electrical field and are the conductors of electric current in electrolytic cells
  • What Is an Ion? Chemistry Definition - Science Notes and Projects
    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 types of ions are anions and cations An anion has a net negative electrical charge It contains more electrons than protons
  • What Is an Ion? Definition and Examples - ThoughtCo
    Learn the definition of an ion, as used in chemistry, chemical engineering, and physics, plus review examples of ions
  • 3. 3: Types of ions - Chemistry LibreTexts
    Positively charged ions are called cations, and negatively charged ions are called anions Ions can be either monatomic (containing only one atom) or polyatomic (containing more than one atom)
  • What Is an Ion? Definition, Types, Formation, Properties . . .
    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
  • “An ion is a small electrically charged particle. Ions are . . .
    Ions are single charged atoms (simple ions) or small charged “molecules” (polyatomic ions) ” Simple ions include Na +, Ca 2+, and Cl – Polyatomic ions include (NH 4) +, (CO 3) 2-, and OH – Unlike protons and neutrons, electrons can be easily removed and added to an atom




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