| Symbol | Am | Atomic radius: pm | 131 | Fusion: kJ/Mole | 14.39 |
| Name | Americium | Ionic radius: pm | (+3)98 | Boiling point: °C | 2011 |
| Atomic number | 95 | Electron affinity | - | Melting point: °C | 1176 |
| Atomic weight | 243.0 | 1st ion potential | 5.99 | Specific Heat Cap: J/(g K) | - |
| Classification | Trans metal | Natural form | Solid | Thermal Cond: W/(cm K) | - |
| Configuration | [Rn]5f77s2 | Crystal structure | Hex | Electrical Cond | 0.022 |
| Oxidation states | 3,4,5,6 | Density | 13.6 | Abundance: mg/kg-crust | Synthetic |
| Electronegativity | - | Vaporization: kJ/Mole | - | ||
| Although americium is undetected in nature, it was artificially produced in 1944 from plutonium-239 by Glenn T. Seaborg,Ralph A. James, Leon O. Morgan, and Albert Ghiorso in a nuclear reactor. More info! | Uses - smoke detectors, a portable source of gamma rays | ||||