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28 févr. 1970 - Law of Definite Proportions is discovered

Description:

Chemical compounds always contain the same elements in the exact same proportions by mass.

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Atomic timeline - Noah Turnquist and Trent Oberreit

ByNoah Turnquist

7 nov. 2017

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Date:

28 févr. 1970

Maintenaint

~ Il y a 55 ans

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