| 1. | Only valence 3 was observed for californium, einsteinium and fermium.
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| 2. | Einsteinium-The sixth type of mineral that can be found.
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| 3. | Thus, the symbols for californium and einsteinium are Cf and Es.
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| 4. | Subsequent separation procedures reduced the amount of isotopically pure einsteinium roughly tenfold.
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| 5. | How about fur, Lawrencium, toothpaste and Einsteinium in a blender?
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| 6. | Einsteinium is a soft, silvery, paramagnetic metal.
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| 7. | Magnetic properties have been studied for einsteinium metal, its oxide and fluoride.
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| 8. | Einsteinium halides are known for the oxidation states + 2 and + 3.
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| 9. | Choppin is sometimes credited with co-discovering the elements einsteinium and fermium.
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| 10. | Einsteinium was discovered in 1952 and was first produced in laboratory experiments in 1954.
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