In the 1960's a Professor called Neil Bartlett
in the University of California Berkeley found
that it is indeed possible to combine Xe with
other elements. The first compound which he
made was XePtF6 (xenon
hexafluoroplatinate), which is rather complicated,
but later, people have made simpler compounds like
XeF6 (xenon hexafluoride).
The key idea is to combine Xe with a very
ELECTRONEGATIVE element or species, that
really like to grab electrons from other atoms.
F (fluorine) is very electronegative. It
also forms compounds with Kr (krypton) but
these are less stable and more difficult to make.
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