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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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9 h 20 m, 25 mar 1930 año - James Chadwick: conducted an experiment bombarding Beryllium with alpha particles.
Añadido al timeline:
ATOM theory
By
Camila Aviles rodriguez
21 oct 2018
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460
fecha:
9 h 20 m, 25 mar 1930 año
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~ 95 years ago
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