 |
Np |
Neptunium |
Np | |
Atomic number |
|
93 | Atomic weight | 237.0482 amu | Stable and very long lived isotopes | N/A | Electronic configuration | 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s26d15f4 | Density |
20.25 g/cm3 (STP) |
Melting | 640 °C |
Boiling | 3902 °C |
Covalent radius | N/A Å |
Van der Waals radius | N/A Å |
Ionic radius | 0.75 Å |
First ionization potential | 6.265 eV = 50532 cm-1 = 604.5 kJ/mol
|
Electron affinity | |
Wikipedia article about Neptunium |
|
|
|
|
|
|
|
|
|
|
|
Choose language
|
How to cite?
|
WebQC.Org
online education
free homework help
chemistry problems
questions and answers
|
|