1. LANTHANUM 57 La Lanthanum 138.905 By: Emily Shelton

2. Properties & Uses of Lanthanum PROPERTIES   Melting point- 1684 F   Boiling point- 6267 F   Density- 6.15 per cubic centimeter   Classification- metal  Appearance- a silvery-white metal that is able to be cut with a knife; tarnishes in the open air  Where it is found- in rare earth minerals like cerite, monazite, allanite, and bastinite USES USES  Carbon Arc Lights which are used in the motion picture industry  Studio Lighting  Projector Lights  Camera Lenses  Special types of glasses lenses

3. History of Lanthanum  Founder- a Swedish chemist named Carl Gustof Mosand in 1839  Name- comes from the Greek word lanthaneia, which means to lie hidden  How to Find it- Lanthanum is found when you take out a new earth from impure cerium nitrate

4. LANTHANUM history uses properties SOLID Melting point 1684 F Density 6.15 gpcm2 METAL Boiling point 6267 F Found in 1839 Comes from the Greek word to lie hidden Carl Gustaf Mosand STUDIO LIGHTING CAMERA LENSES PROJECTOR LIGHTS

5. Lanthanum hhhhttp:// www.bhphotovideo.com/bnh/controller/home hhhhttp: //www.chemicalelements.com/index.html hhhhttp:// chemistry.allinfoabout.com/periodictable.html hhhhttp://education.jlab.org/faq/index.html