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28 фев 1970 г. - Law of Definite Proportions is discovered

Описание:

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 ноя 2017

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28 фев 1970 г.

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~ 55 г назад

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