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Helium (He)
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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.
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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
