Предмет: Окружающий мир, автор: Аноним

какой подвиг совершил Дмитрий Иванович Менделеев

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Автор ответа: Xxxxxxc
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открыл таблицу химических элементов
selyavkinalubo: Д.И. Менделеев создал точную теорию весов, разработал конструкции коромысла и арретира, предложил приемы точного взвешивания. При его участии и под его руководством в Главной палате мер и весов были возобновлены прототипы фунта и аршина, произведено сравнение русских эталонов мер с английскими и метрическими эталонами (1893-1898).
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