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jan 1, 1900 - The Unit of Radioactivity is Derived

Description:

In 1900 Bequerel discovered that electrons and beta particles as identified by the Curies are the same thing.

Added to timeline:

Chemistry Honors Assignment

ByAYLOR LUSZCZEK

1 Oct 2018

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490

Date:

jan 1, 1900

Now

~ 125 years ago

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