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September 30, 2021
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J.J. Thomson 2.0 (oct 18, 1912 – 23h 43min, nov 29, 2021 y)

Description:

Thomson discovered what isotopes are

Added to timeline:

2 Dec 2017
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0
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Elgin Huisden's Chemistry Timeline
This is my timeline for Ms. Crews's Chemistry class

Date:

oct 18, 1912
23h 43min, nov 29, 2021 y
~ 109 years
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