lanthanum

Element research project LA The cool pictures are at the bottom and so are the asome sources. The name of the element is it got its name from the Greek word Lanthaneim >
 * Mosander discoverd this in 1839  this element was  discovered
 * **Atomic Number: ** || 57 ||
 * **Atomic Symbol: ** || La ||
 * **Atomic Weight: ** || 138.9055 ||
 * The people of Greece were the source of the symbol of lanthanum
 * this element if found in E rite, Monazite, Allanite, and Bastnasite, & it's a solid solid
 * This element is silvery white, soft enough to be cut with a knife, & Cold water attacks lanthanum slowly, while hot water attacks it much more rapidly.
 * It has a melting pointy of 310C
 * Lanthanum's boiling point is 3469.0 °C
 * It has a density of 6.146
 * It's kinda rare but it only makes up 24% of the earths suface
 * The metal costs about $5/g. moderate toxicity rating
 * My sources for this wounderful information are Los Alamos National Laboratory,  []  Webelement.com
 * Picture sources : periodictable.com, [[image:imagesCAOC814D.jpg width="175" height="129"]] [[image:Mosander.jpg]]