• Question: what is least common molecule ?

    Asked by chlochlobiebs1611 to Antoine on 13 Nov 2013.
    • Photo: Antoine Buchard

      Antoine Buchard answered on 13 Nov 2013:

      Hello chlochlobiebs1611
      Your question is REALLY interesting. And very hard to answer!
      But I’m going to try.
      Noble gases like argon, neon, helium etc are supposed to be really stable and not to interact with other atoms and participate to molecules at all.
      However, ionic molecules of argon have been observed, including (ArKr)+, (ArXe)+ etc.
      In my opinion, these are the least common molecules!

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