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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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22 mar 1897 año - 1897 J.J. Thomson Discovered electrons
Añadido al timeline:
chemistry
By
D'Kerrington Traylor
19 sep 2017
0
0
549
fecha:
22 mar 1897 año
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~ 128 years ago
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