24 янв 1858 г. - Atomic Mass Accuracy Fixed
Описание:
In 1858, Italian chemist Stanislao Cannizzaro was the first to accurately represented the atomic mass on the Periodic Table. Which was helpful at the time as measurements were not always accurate.Добавлено на ленту времени:
Дата:
24 янв 1858 г.
Сейчас
~ 167 г назад