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.

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 31, 2025 · 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 …

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 …

Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds electrostatic forces of attraction between oppositely charged …

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 atoms that have gained or lost electrons, resulting in a net electrical charge. When an atom loses electrons, it becomes a cation, which is a positively charged ion. Conversely, when …

Jul 8, 2025 · An ion is an atom or group of atoms that has an electric charge. Ions with a positive charge are called cations. Ions with a negative charge are called anions. Many normal …

Atoms form ions to achieve a more stable electron configuration, typically that of the nearest noble gas. By losing or gaining electrons, an atom can attain a full outermost electron shell (an …