PROMETIUM

The prometium is a chemical element of the periodic table which symbol is Pm and his atomic number is 61.It comes from Prometeo, mythological personage.The prometium could be used in batteries that were working with nuclear power, also it could be used as a portable source of X-raysThe existence of the prometio was predicted by Branner in 1902, though the discovery of the above mentioned element attributes Jacob A.Marinsky that he discovered in 1944..At present, the prometium is still recovered of the subproducts of the fission of the uranium, but also it can be produced through of the bombardment of neodimio 146 with neutrons.
Information obtained of www.wikipedia.org