1 янв 1803 г. - Law of Multiple Proportions
Описание:
"When two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers."Добавлено на ленту времени:
Дата:
1 янв 1803 г.
Сейчас
~ 222 г назад