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Sigma KEE - Ion

離子

An electronically charged Atom or Molecule. In other words, a PureSubstance that has lost one of its Electrons.

Relationships
Parents	PureSubstance	The Class of Substances with constant composition. A PureSubstance can be either an element (ElementalSubstance) or a compound of elements (CompoundSubstance). Examples: Table salt (sodium chloride, NaCl), sugar (sucrose, C_{12}H_{22}O_{11}), water (H_2O), iron (Fe), copper (Cu), and oxygen (O_2).