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Ion - Wikipedia ... Ion
For typical ionic solids, the cations are smaller than the anions, and each cation is surrounded by coordinated anions which form a polyhedron.The sum of the ionic radii determines the cation-anion distance, while the cation-anion radius ratio + / (or /) determines the coordination number (C.N.) of the cation, as well as the shape of the coordinated polyhedron of anions.
Ion chromatography
Ion-exchange resin
Ion exchange - Wikipedia ... Ion exchange
Counterion - Wikipedia ... Counterion
Positively charged ions are called cations and negatively charged ions are called anions. The cation is always named first. Ions can be metals, non-metals or polyatomic ions. Therefore, the name of the metal or positive polyatomic ion is followed by the name of the non-metal or negative polyatomic ion.
Hydrogen ion - Wikipedia ... Hydrogen ion