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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)
  • 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
  • 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
  • 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
  • The Difference Between a Cation and an Anion - ThoughtCo
    When writing the formula of a compound, the cation is listed before the anion For example, in NaCl, the sodium atom acts as the cation, while the chlorine atom acts as the anion
  • Cation - Simple English Wikipedia, the free encyclopedia
    Cation A cation is a type of ion that has a positive electric charge [1] This means it has fewer electrons than protons The opposite of a cation is an anion, which has a negative charge Cations can have only one atom (monatomic cations) or be made of multiple atoms together (polyatomic cations)
  • 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 | chemistry | Britannica
    Cation, atom or group of atoms that bears a positive electric charge See
  • Positive and Negative Ions: Cations and Anions - dummies
    Cations (positively-charged ions) and anions (negatively-charged ions) are formed when a metal loses electrons, and a nonmetal gains those electrons The electrostatic attraction between the positives and negatives brings the particles together and creates an ionic compound, such as sodium chloride
  • Cations and Anions: Definitions, Examples Key Differences
    A cation is an ion with a positive charge formed when an atom or group of atoms loses one or more electrons In contrast, an anion is an ion that has a negative charge because it gains electrons





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