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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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30 mayo 1932 año - James Chadwick - discovered the neutron
Añadido al timeline:
Atomic Theory Timeline
By
Jonathan Santiago
22 oct 2018
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fecha:
30 mayo 1932 año
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~ 93 years ago
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