Lanthanum


 * Element Name:** Lanthanum


 * Element Symbol:** La


 * Atomic Mass:** 139[[image:LANTHANUMFRANCHESKA.png width="216" height="288" align="right"]]


 * Atomic Number:** 57


 * Protons:** 57


 * Electrons:** 57


 * Discovery:** Carl Gustaf Mosander in 1839


 * How It Was Named:** From Greek word Lanthaneia which mean "to lie hidden"


 * State Of Matter:** Solid


 * Melting Point:** 918°C


 * Boiling Point:** 3436°C


 * Characteristics:** Slivery-white, soft enough to cut threw with a knife, it is one of the most reactive of the rare earth metals, it oxidizes rapidly when exposed


 * Uses of Element:** Making lighter flints


 * Interesting Facts:** Cold water attacks slowly. The metal reacts directly with carbon

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