Actinium

BY:TACHIRA RODRIGUEZ Actinium [ak-TIN-i-em]** > 2s2 2p6 > 3s2 3p6 3d10 > 4s2 4p6 4d10 4f14 > 5s2 5p6 5d10 > 6s2 6p6 > 7s2
 * ALL ABOUT ACTINIUM
 * Actinium is an element
 * The symbol for Actinium is Ac
 * The atomic mass is 89 and the atomic number is 227
 * Actinium is a metal
 * Actinium's melting point is 1324 k (1050 degrees celcius) and the boiling point 3471(3198 degrees celecius)
 * The density for Actinium is 10.07 grams per cubic centimeter
 * In phase in room temperature Actinium is a solid
 * Actinium is radioactive
 * Actinium was discovered in 1899 by Ande-Louis Debiene, a French chemist, while expirimenting with new methods of separating rare earth oxides.
 * Friedrich Otto Giesel independently discovered Actinium in 1902
 * Actinium is a rare element that is present in Uranium ores in tiny amounts, but its usually cheaper and easier to create Actinium when it is needed by bombarding radium with neutrons in nuclear reactor
 * Actinium most stable isotope, Actinium-227, has a half life of 21.77 years. It decays into francium-233 through alpha decay or into thorium-227 through beta decay.
 * Actinium has no significant commercial application. Although it is used in the production of nuetrons.
 * The number of stable isotopes is zero
 * Electron Shell Configuration:
 * 1s2