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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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13 ene 1895 año - Lord Rayleigh discovered a new element that did not fit in any of the previous categories.
Añadido al timeline:
Periodic Table Timeline
By
Jessica Maeda
16 dic 2017
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592
fecha:
13 ene 1895 año
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~ 130 years ago
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