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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 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
  • Cation vs Anion: Definition, Chart and the Periodic Table
    What is a cation? A cation has more protons than electrons, consequently giving it a net positive charge For a cation to form, one or more electrons must be lost, typically pulled away by atoms with a stronger affinity for them
  • 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 - 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)
  • 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
  • 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
  • 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





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