| 11. | The noble gases are helium, neon, argon, krypton, xenon and radon.
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| 12. | Thus, it requires four more electrons to acquire a stable noble gas configuration.
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| 13. | Dioxygenyl hexafluoroplatinate played a pivotal role in the discovery of noble gas compounds.
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| 14. | The energy of the excited, but neutral, noble gas atoms then can Penning effect.
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| 15. | As a noble gas, the helium atoms are chemically inert.
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| 16. | Large jumps in the successive molar ionization energies occur when passing noble gas configurations.
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| 17. | Since it is a so-called noble gas, it is indeed exhaled without being used.
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| 18. | It is in group 18 of the periodic table and is a noble gas.
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| 19. | In 1962, Neil Bartlett discovered the first chemical compound of a noble gas, xenon hexafluoroplatinate.
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| 20. | Typical fast neutron detectors are liquid scintillators, 4-He based noble gas detectors and plastic detectors.
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