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Chemistry LibreTexts

Molecular Ion

[ "article:topic", "authorname:ggunawardena", "molecular ion" ]
  • Page ID
    40682
  • In mass spectroscopy, an electron is removed from the sample molecule; the resultant radical cation is called the molecular ion (symbols: M+, M+).

    The electron the molecule loses to give the molecular ion is usually the highest-energy electron in the molecule.

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    see also molecular ion peak