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Geography Categories
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| Definition Of: |
Helium (He)
Atomic Mass : 4.002602 Atomic Number : 2 Name Origins: Greek, helios = "sun." Year Discovered : 1895 Discovery Credits : Isolated in 1895 by Sir William Ramsay at London, UK, and independently by P. T. Cleve and N. A. Langlet at Uppsala, Sweden. More Details
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Mineralogy Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 A: Page 1 of 4.
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