Iridium




 * Element Name:** Iridium


 * Element Symbol:** Ir


 * Atomic Mass:** 192 [[image:Iridium_kiarrah.png width="216" height="288" align="right"]]


 * Atomic Number:** 77


 * Protons:** 77


 * Electrons:** 77


 * Discovery:**
 * Smithson Tennant discovered iridium
 * It was discovered in the year of 1803.


 * How It Was Named:** It was named after the goddess of iris.


 * State Of Matter:** Solid


 * Melting point:** 2,446°C


 * Boiling Point:** 4,528°C


 * Characteristics:**
 * Color: White with a slight yellowish cast
 * Classification: Metal and Platinum
 * Texture: Hard and brittle
 * No smell


 * Uses Of The Element:**
 * To harden platinum
 * It was used for crucibles and devices that required high temperatures
 * Used for electrical contact

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 * Interesting Facts:**
 * A precious metal
 * In the platinum group
 * One of the rarest elements in the earth's crust
 * If you have alot of iridium chemist calls it debocolating