Sagot :
Group | 1 | 63.5°C, 146.3°F, 336.7 K
Atomic number | 19 | 39.098
State at 20°C | Solid | 39K
Electron configuration | [Ar] 4s1 | 7440-09-7
ChemSpider ID | 4575326 | ChemSpider is a free chemical structure database.

Group | 1 | 63.5°C, 146.3°F, 336.7 K
Atomic number | 19 | 39.098
State at 20°C | Solid | 39K
Electron configuration | [Ar] 4s1 | 7440-09-7
ChemSpider ID | 4575326 | ChemSpider is a free chemical structure database.