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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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29 nov 1900 ano - Frederick Soddy came up with the term "isotope" to explain the unintentional breakdown of radioactive elements.
Adicionado na linha do tempo:
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By
Tommy Worcester
27 set 2017
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Data:
29 nov 1900 ano
Agora
~ 125 years ago
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