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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 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
  • 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 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 | Definition, Chemistry, Examples, Facts | Britannica
    ion, any atom or group of atoms that bears one or more positive or negative electrical charges Positively charged ions are called cations; negatively charged ions, anions
  • 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
  • CATION definition in American English | Collins English Dictionary
    Formula: C 2 H 5 OH A positively charged ion; an ion that is attracted to the cathode during electrolysis → Compare anion Click for pronunciations, examples sentences, video
  • 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 meaning | Collins English Dictionary
    Which term used in chemistry am I? A positively charged ion; an ion that is attracted to the cathode during electrolysis → Click for English pronunciations, examples sentences, video
  • 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





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