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 |