| 1. | The chemistry of heavier noble gases, krypton and xenon, are well established.
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| 2. | Noble gases are typically highly unreactive except when under particular extreme conditions.
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| 3. | The noble gases are colorless, odorless, tasteless, and nonflammable under standard conditions.
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| 4. | Noble gases are considered stable since they contain the desired eight electrons.
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| 5. | Other separations include noble gases, N 2, O 2, freon and formaldehyde.
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| 6. | Krypton, like the other noble gases, is used in lighting and photography.
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| 7. | Neon and other noble gases have characteristic emission frequencies ( colors ).
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| 8. | The heavier noble gases have more electron shells than the lighter ones.
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| 9. | Can noble gases form compounds under extreme conditions of temprature and pressure?
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| 10. | All of the noble gases have full outer shells with eight electrons.
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