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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)
  • What Is Cationic: Definition and Real-World Uses
    Cationic means positively charged — and it shows up in your body, shampoo, medications, and drinking water Here’s what that actually means
  • 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: 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 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
  • 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
  • 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





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