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- OSMIUM
- Atomic symbol - Os
- Atomic weight - 190.2
- Atomic number - 76
- Electron configuration - 2-8-18-32-14-2
- Oxidation states - +3, +4
- State of matter - solid
- Heavy metal-ductile
- Discovered in 1804 by Smithson Tennant
- Boils at 5000 ¯C, melts at 3000 ¯C
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- Notes:
- 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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