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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
  • Ion - Wikipedia
    A cation is something that moves down (Greek: κάτω, kato, meaning "down") and an anion is something that moves up (Greek: ἄνω, ano, meaning "up") They are so called because ions move toward the electrode of opposite charge
  • 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
  • 7. 3: Cations - Chemistry LibreTexts
    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 | chemistry | Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree cation, atom or group of atoms that bears a positive electric charge See ion
  • Cation Definition and Examples - ThoughtCo
    Cation definition, as used in chemistry, chemical engineering, and physics, along with examples
  • 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)
  • CATION Definition Meaning | Dictionary. com
    In science, a cation is an ion, or charged particle, with a positive charge In other words, a cation has more protons than electrons If you come across the word ion in a chemistry or physics class, cation and anion won't be far behind An ion is a particle that has an electrical charge





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