| Size | 150 × 100 × 0.3mm |
| Density | 7.14 g / cc |
| Melting point: | 419.5 → |
| Chemical properties description | |
| Atomic radius (calc) | 135 (142) pm |
| Covalent radius | 131 pm |
| Van der Waals radius | 139 pm |
| Content (ppm) | |
| The content of elements in the sun | 2 |
| Content elements in seawater | 0.00005 (trace elements) |
| Content of the crust | 75 (trace elements) |
| Crystal structure | Hexagonal |
| Extranuclear atomic arrangement | 2、8、18、2 |
| Nuclear charge | 30 |