Philosophy Wire by Spiros Kakos [2014-05-09]:
Mysteriously, most of the gas xenon that scientists expected to find in Earth's atmosphere is missing. Now, researchers say they might have the answer to this puzzle: This noble gas, which usually does not bond with other atoms, may chemically react with iron and nickel in Earth's core, where it's held.
Yes, even the chemically inert can be chemically active under certain conditions. 
Harmonia Philosophica has already commented on a similar news before.
Try to search for the related post by using specific related tags, like "existence", conditions", chemistry".
Have you reached to the related article? (solution: THIS)
Let's see what I said some time ago...
"Everything can exist under specific circumstances! What makes us to believe that something CANNOT exist? How can we even talk about something that does not and cannot exist? How can we not know Parmenides?"
Thank you my self! :)
Keep up the good work! Hehehe...
Knowledge is always hidden somewhere.
All you have to do is try to find it.
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