| 1. | The calculation indicated that the detected noble gas originated from North Korea.
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| 2. | Perhaps I would also create a separate section about noble gas compounds.
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| 3. | In fact, before the 1960s, no noble gas compounds had been synthesized.
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| 4. | Until the 1960s, no chemical bond with a noble gas was known.
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| 5. | According to state-of-the-art DFT calculations, noble gas endofullerenes should demonstrate unusual polarizability.
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| 6. | One of the important fission products is krypton-90, a radioactive noble gas.
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| 7. | Argon is a noble gas that is part of the Martian atmosphere.
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| 8. | Since then, chemists have made extensive efforts to form other noble gas fluorides.
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| 9. | The halogen is normally mixed with a noble gas, often krypton or xenon.
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| 10. | Heavier noble gas atoms will tend to displace the lighter atoms.
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