Thola izingxenye
Khetha kuze kube yizinto ezi-4 ukuze ulinganise izakhiwo zabo ngakwesokudla.
Pa
Protactinium
#91 · I-Actinide
| I-Mass | 231.03588 u |
| Ubukhulu | 15.37 g/cm³ |
| Ukuncibilika | 1841.0 K |
| Ukubhoboza | 4300.0 K |
| Electronegativity | 1.5 |
| I-Ionization Energy | 568.0 kJ/mol |
| I-Atom Radius | 163.0 pm |
| I-block | f-block |
| Isifunda (RT) | Iqinile |
| Ukuhlela | [Rn] 5f2 6d1 7s2 |