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jan 1, 1874 - Дмитрий Иванович Менделеев поместил уран в периодическую систему химических элементов

Description:

Он имел 92 номер, также Менделеев предположил, что уран имеет 240 а.е.м

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проект

ByFunny Lemon
22 May 2021
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232

Date:

jan 1, 1874
Now
~ 151 years ago

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