Osmium


 * Element Name:** Osmium


 * Element Symbol**: Os


 * Atomic Mass:** 190[[image:Osmium.png width="216" height="288" align="right"]]


 * Atomic Number:** 76


 * Protons:** 76


 * Electrons:** 76


 * Discovery (Who & When):** Osmium and Iridium were dicovered at the same time by the british chemist smithson tennant in 1803.


 * How it was named:** From the Greek word for a smell.


 * What is its state of matter?** Solid


 * Melting Point in °C**: 3033°C


 * Boiling Point in °C**: 5012°C


 * At least thrre characteristics** (color, odor, explosive, radioactive, etc): Hard, Brittle, Smell bad


 * Uses:** Ball point pen tips and used in mens skin products.


 * Two interesting facts:** 25% nitric acid and it was invented in 1803.osmium tetroxide smells bad and is very poisonous

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