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1 fev 1900 ano - Soddy (1900)- observed spontaneous disintegration of radioactive element into variants he called “isotopes” or totally new elements, he discovered “half-life”, and made initial calculations on the amount of energy that is released during decay

Adicionado na linha do tempo:

Chem Project

ByAlyssa George
27 set 2017

Data:

1 fev 1900 ano
Agora
~ 124 years ago
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