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Np
Neptunium
#93 · Actinide
| Kuwala | 237.04817 u |
| Kuwala | 20.45 g/cm³ |
| Kusungunuka | 917.0 K |
| Kutentha | 4273.0 K |
| Electronegativity | 1.36 |
| Kuwala | 604.5 kJ/mol |
| Atomic radius | 155.0 pm |
| Kuletsa | f-block |
| State (RT) | M'gululi |
| Kusintha | [Rn] 5f4 6d1 7s2 |