The unexpected discovery became known to the public following the results of the next meeting of the RAS. Among the writings of the author of the periodic law of chemical elements, Dmitri Mendeleev, a chemical formula was found, the existence of which was previously unknown. A group of chemists led […]

Январь 2020
ПнВтСрЧтПтСбВс
« Дек  
 12345
6789101112
13141516171819
20212223242526
2728293031 

Мета