| name | Americium |
| latin | Americium |
| french | Américium |
| german | Americium |
| symbol | Am |
| proton number | 95 |
| atomic weight | [243] |
| Pauling electronegativity | 1.3 |
| electronic configuration | [Rn] 5f76d07s2 1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f76d07s2 |
| melting point | 1449 K, 1176°C, 2149°F |
| boiling point | 2880 K, 2607°C, 4724°F |
| group | - |
| period | 7 |
| state (by 20°C) | solid |
| oxidation states | +2, +3, +4, +5, +6 |
| Year of discovery | Discoverers |
| 1944 | Glenn T. Seaborg (*1912) Ralph A. James L. Morgan Albert Ghiorso |