Electron Configuration
[Rn] 7s
2
5f
4
6d
1
Neptunium is named for "Neptune"
Melting Point:
636.85
o
C
Boiling Point:
- -
o
C
Heat of Vaporization:
1419.96 J/g
Heat of Fusion:
11.81 J/g
Specific Heat Capacity:
- - J/g
.
C
o
or - - cal/g
.
C
o
Density:
20.4 g/cm
3
