Symbol Fm Atomic radius: pm - Fusion: kJ/Mole -
Name Fermium Ionic radius: pm - Boiling point: C -
Atomic number 100 Electron affinity - Melting point: C 1527
Atomic weight 257.0 1st  ion potential 6.50 Specific Heat Cap: J/(g K) -
Classification Trans metal Natural form Solid Thermal Cond: W/(cm K) -
Configuration [Rn]5f127s2 Crystal structure - Electrical Cond -
Oxidation states 3 Density - Abundance: mg/kg-crust Synthetic
Electronegativity - Vaporization: kJ/Mole -    
Fermium does not occur in nature, but it was positively identified by Albert Ghiorso and co-workers at Berkeley, California in debris taken from the first hydrogen bomb explosion that took place in November of 1952 in the South Pacific. Uses -  no known uses