2.  Group- Aliki metals  Fairly reactive combines with non- metals and acids aliki metals  Density- 5.904 g./ cm3 Electron configuration

3.  Boiling point- 2204 Celsius  Melting point- 29.76 Celsius  State of matter- solid but melts slightly above room temperature Crystalline structure Emission spectrum

4.  Paul Emilie Lecoq de Boishaudran  Discovered in 1875  Named after ancient French city Gallia  While studying the spectrum of chemical elements Paul Emile Lecoq de Boisbaudran

5.  A Blu-ray laser  Gallisten thermometers  Gallium Arsenic microwave amplifier  Element coin thermometer Microwave amplifier Element coin Blu-ray laser

6.  Gallium is hazardous to animal and human health  Gallium arsenide can be used to turn sunlight into energy  Abundant in earth crust  American produces no Gallium

7.  Works Cited  Agree, clicking. "paul emile lecoq de boisbaudran - Bing Images." Bing. N.p., n.d. Web. 3 Dec. 2010..  "Chemical Elements.com - Name." Chemical Elements.com - An Interactive Periodic Table of the Elements. N.p., n.d. Web. 3 Dec. 2010..  Newton, David E.. The chemical elements. New York: F. Watts, 1994. Print.  "Periodic Table." Behrend Chemistry Home. N.p., n.d. Web. 2 Dec. 2010..  "Pictures, stories, and facts about the element Gallium in the Periodic Table." The Photographic Periodic Table of the Elements. N.p., n.d. Web. 1 Dec. 2010..  "WebElements Periodic Table of the Elements | Gallium | crystal structures." WebElements Periodic Table of the Elements. N.p., n.d. Web. 1 Dec. 2010..   MLA formatting by BibMe.org.