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OSMIUM
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Atomic Symbol |
Os |
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Atomic Weight |
190.2 |
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Atomic Number |
76 |
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Electron Configuration |
2-8-18-32-14-2 |
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Oxidation States |
+3, +4
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State of Matter |
Solid heavy metal- ductile |
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Boiling Point |
5000 °C |
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Melting Point |
3000 °C |
HISTORY,
BACKGROUND & USES:
Discovered in 1804 by Smithson Tennant. Osmium is the densest naturally occuring element. It has a
gray-white color and is hard, and brittle. It has been used in
phonograph needles.
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