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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
    Cations are ions that have a positive charge The word “cation” comes from the Greek word ánō, which means “up ” Examples of cations include: Silver: Ag + Hydronium: H 3 O + Ammonium: NH 4 + Because an electron is removed to form a cation, the cation of an atom can be smaller than the neutral atom
  • Cations and anions introduction: - BYJUS
    Cations are positively charged ions They are formed when a metal loses its electrons They lose one or more than one electron It has fewer electrons than protons Therefore, they possess a net positive charge Some examples of cations are Calcium (Ca 2+), Potassium (K +), hydrogen (H +) What are anions? Anions are negatively charged ions
  • Cation Definition and Examples - ThoughtCo
    A cation is an ionic species with a positive charge The word "cation" comes from the Greek word "kato," which means "down " A cation has more protons than electrons, giving it a net positive charge Cations with multiple charges may be given special names For example, a cation with a +2 charge is a dication One with a +3 charge is a trication
  • Cation vs Anion: Definitions Periodic Table Guide . . .
    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
    What is a cation? 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 Examples of cations include the following: Calcium: Ca 2+ Silver: Ag + Aluminum: Al 3+ Hydronium ion: H 3 O + Ammonium: ion NH 4 +
  • 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
  • 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’





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