29
/ru/
ru
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
73290
6735
2
Создать
Public Timelines
Библиотека
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
7 янв 1932 г. - James Chadwick discovered neutrons, particles whose mass was close to that of a proton.
Добавлено на ленту времени:
27 сен 2017
0
0
968
Atomic Theory - Jessica Ashton
Chemistry Honors
Дата:
7 янв 1932 г.
Сейчас
~ 92 г назад