| 1. | Other selenium allotropes may contain Se 6 or Se 7 rings.
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| 2. | Unlike the other allotropes, it is insoluble in CS 2.
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| 3. | These allotropes are known as the amorphous and the crystalline allotropes.
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| 4. | These allotropes are known as the amorphous and the crystalline allotropes.
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| 5. | Graphene has the highest ratio of edge atoms of any allotrope.
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| 6. | Cyclo-S 12 is the most stable cyclo-allotrope.
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| 7. | Silicon has two known allotropes that exist at room temperature.
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| 8. | The crystalline allotrope is gray and has a metallic luster.
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| 9. | The austenite allotrope exists at room temperature in stainless steel.
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| 10. | :For the full story, there are many allotropes of carbon.
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