1 янв 1913 г. - Henry Moseley
Описание:
Mendeleev´s table had some little problems so Henry Moseley proposed using atomic number as the organizing principle instead of atomic mass and it solved some of the mistakes.Добавлено на ленту времени:
Дата:
1 янв 1913 г.
Сейчас
~ 112 г назад