Strontium (Sr): Properties, Uses and Facts in 3D
Strontium is element 38 on the periodic table, an alkaline earth metal. At room temperature it is a solid. Open it in the 3D Periodic Table to spin its tile, see its electron shells and read its story.
Explore in 3DStrontium quick facts
| Atomic number | 38 |
|---|---|
| Symbol | Sr |
| Atomic mass | 87.62 |
| Category | Alkaline Earth Metal |
| Group and period | Group 2, period 5 |
| Block | s-block |
| State at room temperature | Solid |
| Electron configuration | [Kr] 5s² |
| Electrons per shell | 2, 8, 18, 8, 2 |
| Discovered | 1790, Crawford |
What is strontium used for?
- Red firework & signal flare colour
- Strontium ranelate osteoporosis drug (historical)
- CRT television screens (historical)
Interesting facts about strontium
- Strontium-90 from nuclear fallout mimics calcium and concentrates in bones and teeth
- Named after Strontian, a Scottish village where the mineral was first found
- Strontium burns with a brilliant crimson-red flame. The colour of emergency flares
Strontium was discovered in 1790 by Crawford in Britain.
Where strontium sits on the periodic table
Strontium is in group 2, period 5. Tap any element to open its page.
Other alkaline earth metals
Strontium questions
What is the atomic number of strontium?
Strontium has atomic number 38, so every strontium atom has 38 protons in its nucleus. Its symbol is Sr and its atomic mass is 87.62.
Is strontium a metal?
Strontium is a metal. On the periodic table it is grouped as an alkaline earth metal, found in group 2, period 5.
What is the electron configuration of strontium?
The electron configuration of strontium is [Kr] 5s². Its electrons sit in 5 shells: 2, 8, 18, 8, 2.
What is strontium used for?
Strontium is used for red firework & signal flare colour, strontium ranelate osteoporosis drug (historical) and crt television screens (historical).
Who discovered strontium?
Strontium was discovered in 1790 by Crawford in Britain.
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