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28 Feb 1970 Jahr - Law of Definite Proportions is discovered

Beschreibung:

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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Datum:

28 Feb 1970 Jahr

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~ 55 years ago

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