Neptunium
Np
1ST Ion Potential
6.190000
93
2nd Ion Potential
*
3rd Ion Potential
*
Previous
Group
3A
Next
Crystal Structure
Ortho
Atomic Weight
237.04820
Therm Conductivity
0.06300
Melting Point
910.0000
Vaporization
*
Elect Conductivity
0.00822
Boiling Pt.
*
Fusion
5.19000
Ionic Radius
1.100000
Atomic Vol.
11.62000
Specific Heat
0.120000
Automic Radius
*
Density
20.400
Covalent Rad.
*
Oxidation States
6,5,4,3
State
Synth.
Electonic Config
[Rn]5f4_6d1_7s2
Electro Neg
1.360000

Color Spectrum

Neptunium

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By Milt Hull , HullSoft Enterprises

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