Strontium (Sr) is a chemical element belonging to the category Alkaline earth metal, with atomic number 38 and atomic mass 87.6200 u.
Identity
- Name: Strontium
- Symbol: Sr
- Atomic number: 38
- Atomic mass: 87.6200 u
Position in the periodic table
- Group: 2
- Period: 5
- Category: Alkaline earth metal
Physico-chemical properties
- Standard state: Solid
- Melting point: 777°C
- Boiling point: 1377°C
- Density: 2.64 g/cm³
- Electron configuration: [Kr] 5s²
Scientific description
Strontium is a chemical element with symbol Sr and atomic number 38. It belongs to the category of Alkaline earth metal and occupies group 2 and period 5.