| Category | Actinides |
|---|---|
| Group, Period, Block | —, 7, f |
| Atomic mass | 257 |
| Fusion point | 1,527 °C |
| Boiling point | — |
| Standard state | Solid |
| Natural occurence | Artificial element |
| Category | Actinides |
|---|---|
| Group, Period, Block | —, 7, f |
| Atomic mass | 257 |
| Fusion point | 1,527 °C |
| Boiling point | — |
| Standard state | Solid |
| Natural occurence | Artificial element |