Francium


 * __ BY MOLLIE AND MAGGIE __**

Five intresting facts about francium: 1. Francium is the second rarest element in the earths crust. 2. Less than thirty grams of francium exists on earth at any given time. 3. Francium is the least electronegative of allthe elements. 4. Franciumis not available in sufficient quantaties to show it reacting water. 5. Francium is a heavy, unstable, radioactive metal.
 * Our elements name is Francium.
 * The element symbol for Francium is FR.
 * The group number and period on the periodic table for our element is group 1 and period 7.
 * The name of the person that discovered it is called Marguerite Catherine Perey, a French chemist, in 1939.
 * Francium is a solid in room tempratures.
 * Melting point is at 27 degrease celcius, and boling point is at 677 degrease celcius.
 * Francium has a metalic apperance.
 * The atomic mumber number is 87.
 * The atomic mass is (223.0) amu.
 * The number of protons/ electrons is 87.
 * The numberof neutrons is 136.
 * Francium is a metal.