Barium


 * Element Name:** Barium


 * Element Symbol:** Ba


 * Atomic Mass:** 137


 * Atomic Number:** 56[[image:barium.png width="216" height="288" align="right"]]


 * Protons:** 56


 * Electrons:** 56


 * Discovery:** In 1808 by Humphry Davy


 * How it was named:** By the Greek word //barys// meaning heavy


 * State of Matter:** a solid


 * Melting Point:** 727°C


 * Boiling Point:** 1897°C


 * Characteristics:** explosive, silver, metal, and soft


 * Uses:** to make fireworks, for its density, to make a heavy mudlike paste when drilling oil wells, and for X rays


 * Interesting Facts:** highly explosive, when exposed to light it will glow for years

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