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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) The same convention applies to chemical names
  • 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 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 vs. Anion – Whats The Difference? | Dictionary. com
    A cation is an ion with positive charge, which means it has more protons (positively-charged particles) than electrons (negatively-charged particles) Cations are formed when an atom loses one or more electrons: the loss of the negatively-charged electron(s) results in an overall positive charge
  • 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 and anions introduction: - BYJUS
    Is oxygen a cation or anion? Oxygen is neither a cation or an anion because it has no charge Oxygen makes up around 20% of the air, and it’s a highly reactive gas
  • 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
  • Anion vs Cation - Difference and Comparison | Diffen
    A cation is an atom or a molecule which is positively charged, i e has more number of protons than electrons Anion originated from the Greek word ano, meaning ‘up’ The word cation originated from its Greek counterpart kata, which means ‘down’
  • CATION | definition in the Cambridge English Dictionary
    CATION meaning: 1 in chemistry, an ion (= type of atom) that has a positive electric charge and therefore moves… Learn more
  • Positive and Negative Ions: Cations and Anions | dummies
    Cations (positively-charged ions) and anions (negatively-charged ions) are formed when a metal loses electrons, and a nonmetal gains those electrons The electrostatic attraction between the positives and negatives brings the particles together and creates an ionic compound, such as sodium chloride





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