Mahsulot tavsifi
To acquaint students with the structure and laws of the periodic system developed by Dmitriy Ivanovich Mendeleyev, a talented chemist.
#chemical elements#great russian scientist#periodic law#atomic weight
Muallif
Islam xoshimovTasdiqlangan muallif
- Hujjatlari
- 2 238
- Sotilgan
- 151
