Maximum ionization of free elements

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SUMMARY

The maximum ionization of free elements is determined by their atomic number (Z), allowing for a maximum positive charge of +Z when all electrons are stripped away through sufficient ionizing radiation. While cation ionization is straightforward, anion ionization is more complex; isolated elements can capture additional electrons, but the extent is limited to filling subshells that already contain electrons. The behavior of anions varies significantly among elements, influenced by their electronic configuration and proximity to noble gas configurations.

PREREQUISITES
  • Understanding of atomic structure and electron configurations
  • Familiarity with ionization energy concepts
  • Knowledge of noble gas electron configurations
  • Basic principles of ionizing radiation
NEXT STEPS
  • Research the concept of ionization energy and its periodic trends
  • Study the electronic configurations of elements and their relation to ionization
  • Explore the differences in cation and anion formation in various elements
  • Investigate the effects of ionizing radiation on different elements
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Chemistry students, physicists, and researchers interested in atomic behavior and ionization processes.

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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.
 
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