Radium


 * Element Name:** Radium


 * Element Symbol:** Ra


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


 * Atomic Number:** 88


 * Protons:** 88


 * Electrons:** 88


 * Discovery:** It was discovered by Marie Curie in 1898.


 * How it was named:** Latin word for ray, radius


 * State of Matter:** Solid


 * Melting Point:** 700°C


 * Boiling Point:** 1737°C


 * Characteristics:** Radium is pure white, but oxidizes to air exposure turning it black. It is also luminescent and highly radioactive.


 * Uses:** It is used for self-luminous paints for watches, aircraft instruments, and is used to produce radon (A gas used to treat some types of cancer).


 * Interesting Facts:** It is over one million more times radioactive than uranium. It also might have been the cause of Marie Curie's death by handling the radiation.

media type="youtube" key="5_I6vj-lXNM?fs=1" height="307" width="384" align="center"