Argon and the Periodic System: the Piece that Would not Fit

  title={Argon and the Periodic System: the Piece that Would not Fit},
  author={Carmen J. Giunta},
  journal={Foundations of Chemistry},
  • C. Giunta
  • Published 30 March 2001
  • Physics
  • Foundations of Chemistry
The discovery of the noble gases and their incorporation into the periodic system are examined in this paper. A chronology of experimental reports on argon and helium and the properties relevant to their nature and position in the periodic system is presented. Proposals on the nature of argon and helium that appeared in the aftermath of their discovery are examined in light of the various empirical and theoretical considerations that supported and contradicted them. ``The piece that would not… 

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