Maximum ionization of free elements

  1. Hi,

    I wondered what is the maximal ionization of a given element when it is free (not bound into a molecule).
    I'd assume it is possible to strip off all electrons of a given element (given sufficient ionizing radiation) so the maximal positive charge should be +Z (Z being the atomic number).

    While the cation ionization seems straightforward I'm more concerned about the anion ionization. How many additional electrons can be captured by an (isolated) element ? None ? Up to the next noble gas ? Or only filling up subshells which already have a single electron in it ?
    Can someone shed light on how that is and why ?

    Thanks and cheers.
     
  2. jcsd
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