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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 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 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
  • What Is the Difference Between Cation and Anion?
    A cation is a positively charged ion that has lost one or more electrons, while an anion is a negatively charged ion that has gained one or more electrons
  • Cation | chemistry | Britannica
    Cation, atom or group of atoms that bears a positive electric charge See
  • Cation: AP Chemistry Study Guide | Fiveable
    Cation is a key concept in AP Chemistry A cation is an atom or group of atoms that has lost one or more electrons, giving it a positive charge
  • 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





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