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6 gen 1900 anni - Soddy

Descrizione:

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.

Aggiunto al nastro di tempo:

Scientific method of atom

ByNashua Lovett
11 dic 2018

Data:

6 gen 1900 anni
Adesso
~ 124 years ago
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