Thola izingxenye
Khetha kuze kube yizinto ezi-4 ukuze ulinganise izakhiwo zabo ngakwesokudla.
Np
Neptunium
#93 · I-Actinide
| I-Mass | 237.04817 u |
| Ubukhulu | 20.45 g/cm³ |
| Ukuncibilika | 917.0 K |
| Ukubhoboza | 4273.0 K |
| Electronegativity | 1.36 |
| I-Ionization Energy | 604.5 kJ/mol |
| I-Atom Radius | 155.0 pm |
| I-block | f-block |
| Isifunda (RT) | Iqinile |
| Ukuhlela | [Rn] 5f4 6d1 7s2 |