Lanthanum

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 * Lanthanum has the atomic symbol of La[[image:http://www.hobart.k12.in.us/ksms/PeriodicTable/About%20Graphics/lanthanum.jpg width="246" height="305" align="right"]]
 * The atomic number is 57
 * The atomic Mass is 139
 * The # of protons is 57
 * The Number of Neutrons in a Lanthanum-139 is 82
 * The Number of electrons is 57
 * The Melting point of Lanthanum is 920 degrees celsius
 * The Boiling point is 3469 degrees celsius
 * The Normal Phase is Solid
 * It usually Cost $233 for 100g
 * It is Classified as a Metal
 * The name is from the Greek Origin Lanthanein which is "To lie hidden"
 * Lanthanum was discovered By Carl G. Mosander in 1839


 * It is used in Carbon lights for movies and television
 * It is used in lighter flints
 * It is a soft-silvery white
 * It is a soft-silvery white