1. Kayleigh Duke

2. Named an element by Carl Wilhelm Scheele in 1774 First isolated by Sir Humphry Davy in 1808 Group 2 Period 6 (s) Atomic number: 56 Protons: 56 Neutrons: 81 Electrons: 56 HISTORY/INFO

3. Used for making Glass Rubber Rat poison USES

4. Paint Bricks Tiles Mining and refining processes CONTINUED

5. Not found free on earth Most common in minerals barite or witherite FOUND

6. Used as a weighting agent in oil well drilling Florescent lights- give fireworks their green color Help diagnose diseases or other problems in large intestine and esophagus Used in CT scans IMPORTANCE

7. Soft metal Silvery- white color Medium specific weight Melting point: 1,000 K or 1,340 degrees Fahrenheit Boiling point: 2,170 K or 3,450 degrees Fahrenheit Room temperature- solid state PHYSICAL PROPERTIES

8. Very reactive with water Barium made when chemicals combined with sulfur, carbon, or oxygen Oxidizes in air Reacts with most non-metals forming poisonous compounds CHEMICAL PROPERTIES

9. Alkaline Earth Metals family From Greek word barys meaning heavy Ignites when exposed to wet air Glows with exposure to light INTERESTING FACTS

10. Mrs. Purdy’s Web Page. “Barium.” “ #56-Barium. Wikipedia. http://www.hobart.k12.in.us/ksms/PeriodicTable/barium.htm http://www.hobart.k12.in.us/ksms/PeriodicTable/barium.htm “Barium.” “Barium-Wikipedia, the free encyclopedia.Wikimedia Foundation Inc.4 December 2013. 15 December 2013. http://en.wikipedia.org/wiki/Barium http://en.wikipedia.org/wiki/Barium CITATIONS