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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
  • 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
    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
  • 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 and Examples - ThoughtCo
    Cation definition, as used in chemistry, chemical engineering, and physics, along with examples
  • Cations vs Anions - GeeksforGeeks
    Cations are ions with a positive charge When a metal loses its electrons, they form They lose one or more electrons but none of their protons As a result, they have a net positive charge Calcium (Ca 2+), potassium (K +), and hydrogen (H +) are examples of cations
  • Íon, Cátion e Ânion - Toda Matéria
    O íon é definido como um átomo eletrizado que ganhou ou perdeu elétrons Já o cátion e o ânion são considerados íons Os cátions, são normalmente formados por metais alcalinos (família IA) e metais alcalinos terrosos (família IIA) da tabela periódica
  • 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
  • What Is Cationic: Definition and Real-World Uses
    When an atom or molecule loses one or more electrons, it’s left with more positively charged protons than negatively charged electrons, giving it a net positive charge That positively charged particle is called a cation, and anything described as “cationic” has this property





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