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cation    
n. 阳离子

阳离子

cation
n 1: a positively charged ion

Cation \Cat"i*on\, n. [Gr. ? downward ? going, p. pr. of ? to
go.] (Chem.)
a positively charged atom, radical, or molecule, which in
electrolysis migrates to the cathode; a positive ion; --
opposed to {anion}. --Faraday.
[1913 Webster PJC]


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  • Cations and Anions: Definitions, Examples, and Differences
    The chemical formula of a compound is always written with the cation first, followed by the anion For example, Na is the cation and Cl is the anion in NaCl (table salt)
  • 7. 3: Cations - Chemistry LibreTexts
    Summary Cations are formed by the loss of one or two electrons from an element Groups 1 and 2 elements form cations Cations are named according to the parent element Cation charges are indicated with a superscript following the chemical symbol
  • Cation - Properties, Symbols and Formation | CK-12 Foundation
    Sodium loses an electron to become a cation Some elements lose one or more electrons in forming ions These ions are known as “ cations ” because they are positively charged and migrate toward the negative electrode (cathode) in an electrical field
  • CATION Definition Meaning - Merriam-Webster
    The meaning of CATION is the ion in an electrolyzed solution that migrates to the cathode; broadly : a positively charged ion
  • Cations and Anions - Ions | ChemTalk
    A cation is an ion that has lost one or more electrons, giving a net positive charge Because one or more electrons are removed to form a cation, the cation of an atom is smaller than the neutral atom
  • Cation | chemistry | Britannica
    Cation, atom or group of atoms that bears a positive electric charge See
  • Cation Definition and Examples - ThoughtCo
    Cation definition, as used in chemistry, chemical engineering, and physics, along with examples
  • Cations | Chemistry | Research Starters - EBSCO
    Cations are positively charged ions that result from an atom or group of atoms losing one or more valence electrons The term "cation" is derived from "cathode ion," reflecting their attraction to the cathode in an electrolytic solution
  • Cation Definition - Intro to Chemistry Key Term | Fiveable
    A cation is a positively charged ion that results from the loss of one or more electrons by an atom or molecule Cations are an essential concept in understanding chemical nomenclature and the periodic variations in element properties
  • 5. 1 Ionic Bonding – Chemistry Fundamentals
    A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell





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