Radium


 * Element Name:** Radium


 * Element Symbol:** Ra


 * Atomic Mass:** 226[[image:Radium_Gerald.png width="216" height="288" align="right"]]


 * Atomic Number:** 88


 * Protons:** 88


 * Electrons:** 88


 * Discovery:** Discovered by Marie Sklodowska

He Romved uranium And Discovered The Remain Materials.It Was Still Radioactive Then He Removed the Barium Which Gave it its name and announced the discovery.
 * How it was Named:** Marie Sklodowska-Curie worked on a chemical and While studying pitchblende


 * State Of Matter:** 5 grams per cubic centimeter


 * Melting Point:** 700°C


 * Boiling Point:** 1140°C


 * Characterisitics:**
 * solid
 * tiny
 * pure brilliant white


 * Uses Of Element:** Radium was formerly used in self-huminous paints for watches ,nuclear panels, air crafts, switches, clocks and instrumental dials.


 * Interesting Facts:** Radium's elements category is alkaline earth metal in 1909,the famous rutherford experiment used radium as an alpha source to probe the atomic structure of gold, treat cancer.

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