29
/it/
it
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1928216
159213
2
Creare
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
1 magg 1894 anni - Sir William Ramsay and Lord Rayleigh uncover noble gases, which were added to the periodic table as group 0.
Aggiunto al nastro di tempo:
18 ott 2018
0
0
268
1st Nine Weeks Honor Project Chemistry
Data:
1 magg 1894 anni
Adesso
~ 130 years ago