Loading ad...
Member for
3 years 3 monthsAge: 13-15
Level: 9
Language: Czech
(cs)
ID: 797524
09/03/2021
Country code: CZ
Country: Czechia
Main content: Uhlík a jeho modifikace (1305523)
modifikace uhlíku
Other contents: diamant, grafit, fullereny
Share / Print Worksheet