1 ч 3 мин, 8 янв 1818 г. - Berzelius
Описание:
Berzelius conducted pioneering experiments and established the law of constant proportions, which states that the elements in inorganic substances are bound together in definite proportions by weight.Добавлено на ленту времени:
Дата:
1 ч 3 мин, 8 янв 1818 г.
Сейчас
~ 207 г назад