Kuyerekezera
Sankhani mpaka 4 zinthu kuti ayerekezere zizindikiro zawo mbali ndi mbali.
Pa
Protactinium
#91 · Actinide
| Kuwala | 231.03588 u |
| Kuwala | 15.37 g/cm³ |
| Kusungunuka | 1841.0 K |
| Kutentha | 4300.0 K |
| Electronegativity | 1.5 |
| Kuwala | 568.0 kJ/mol |
| Atomic radius | 163.0 pm |
| Kuletsa | f-block |
| State (RT) | M'gululi |
| Kusintha | [Rn] 5f2 6d1 7s2 |