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jan 1, 1900 - Fredrick Soddy

Description:

Observed spontaneous disintegration of radioactive elements into “isotopes” (totally new elements); made first calculations on energy released during decay

Added to timeline:

Atomic Theory timeline

BySpencer Knight
14 Feb 2019
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0
373

Date:

jan 1, 1900
Now
~ 125 years ago

Images:

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