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jan 1, 1903 - Lord Rutherford announces that radioactivity is caused by the breakdown of an atom.
Description:
Lord Rutherford was a British physicist who discovered that radioactivity is caused by the breakdown of the atom.
Added to timeline:
The Historical Development of the Period Table
By
Joshua Martin
20 Jan 2020
0
0
345
Date:
jan 1, 1903
Now
~ 123 years ago
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