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1 ene 1902 año - First Mention of elements with different numbers of neutrons (neutrons not discovered yet)

Descripción:

radioactive decay, which was first associated with transmutation of elements by Ernest Rutherford and Frederick Soddy

Añadido al timeline:

History of isotopes

6 nov 2019

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fecha:

1 ene 1902 año

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~ 123 years ago

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