Strontium (Sr)
Strontium is a soft alkaline earth metal that burns with a brilliant red flame, making it perfect for fireworks.
Properties of Strontium
- Atomic number
- 38
- Category
- Alkaline Earth Metal
- Atomic mass
- 87.62 u
- Electron configuration
- [Kr] 5s²
- Melting point
- 1050 K (776.85 °C)
- Boiling point
- 1655 K (1381.85 °C)
- Density
- 2.64 g/cm³
- Electronegativity (Pauling)
- 0.95
- Appearance
- Silvery-white metal
- Discovered by
- William Cruickshank (1790)
Facts about Strontium
- Strontium is what makes red fireworks red!
- Strontium is named after Strontian, a village in Scotland!
- Strontium compounds glow in the dark after being exposed to light!
- Strontium is used in glow-in-the-dark paint!