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15 ene 1894 año - Sir William Ramsay and Lord Rayleigh discovered the noble gases and they were added to the periodic table as group O.
Añadido al timeline:
History of the Periodic Table
By
lily heavner
3 oct 2017
0
0
432
fecha:
15 ene 1894 año
Ahora mismo
~ 130 years ago
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