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General information about Strontium |
| strontium |
| Sr |
| 38 |
| alkaline earth metals |
| 2 |
| 5 |
| s |
| silvery white metallic |
| 87.62(1) g·mol-1 |
| 1s2 2s2p6 3s2p6d10 4s2p6 5s2 |
| 2, 8, 18, 8, 2 |
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Physical properties of Strontium |
| solid |
| ? |
| 1050(K), 777°C, 1431°F |
| 1655(K), 1382°C, 2520°F |
| ? |
| ? |
| 7.43 kJ·mol-1 |
| 136.9 kJ·mol-1 |
| 26.4 J·mol-1·K-1 |
| 0.95 (Pauling scale) |
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Atomic structure of Strontium |
| 2.45 Å |
| 33.7 cm³/mol |
| 1.91 Å |
| 1.28 |
| Cubic face centered |
| 112 (+2e) |
| 5s2 |
| 38 |
| 50 |
| 38 |
| 2 |
| 5s2 |
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Electron dot
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Other languages |
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| Latin: |
Strontium |
| Czech: |
Stroncium |
| Croatian: |
Stroncij |
| French: |
Strontium |
| German: |
Strontium - s |
| Italian: |
Stronzio |
| Norwegian: |
Strontium |
| Portuguese: |
Estrôncio |
| Spanish: |
Estroncio |
| Swedish: |
Strontium |
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| Element |
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Brief description |
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Strontium is softer than calcium and decomposes more vigorously in water. Finely divided strontium metal ignites spontaneously in air. Strontium is a silvery metal, but it rapidly oxidizes to a yellowish color. Because of its propensity for oxidation and ignition, strontium is typically stored under kerosene. Strontium salts color flames crimson and are used in fireworks and flares.
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Uses of Strontium |
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Strontium-90 is used in Systems for Nuclear Auxilliary Power (SNAP) devices. Strontium is used in producing glass for color television picture tubes. It is also used to produce ferrite magnets and to refine zinc. Strontium titanate is very soft but has an extremely high refractive index and an optical dispersion greater than that of diamond.
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Hystory of Strontium |
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- Discoverer: Adair Crawford
- Discovery Location: Scotland
- Discovery Year: 1790
- Name Origin: Strontian, a town in Scotland
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