Mahsulot tavsifi
Helium is the second element in the periodic table, with atomic number 2 and atomic mass 4.0026. It is a colorless, odorless gas. Discovered in 1868, it was named after the Greek word for sun
#element#gas#helium#periodic table
Muallif
Kampyuter XizmatlariTasdiqlangan muallif
- Hujjatlari
- 794
- Sotilgan
- 77
