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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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18 oct 1900 año - soddy

Descripción:

Observed spontaneous disintegration of radioactive elements into variants he called "isotopes" or totally new elements, discovered "half-life", made initial calculations on energy released during decay.

Añadido al timeline:

scientific atom timeline

ByKyrell Brown
11 dic 2018
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fecha:

18 oct 1900 año
Ahora mismo
~ 125 years ago
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