Promethium
Pm
1ST Ion Potential
5.640000
61
2nd Ion Potential
10.90300
3rd Ion Potential
22.28300
Previous
Group
3A
Next
Crystal Structure
Hex
Atomic Weight
145.00000
Therm Conductivity
0.17900
Melting Point
1204.000
Vaporization
*
Elect Conductivity
*
Boiling Pt.
3785.000
Fusion
*
Ionic Radius
0.979000
Atomic Vol.
19.95000
Specific Heat
*
Automic Radius
2.59000
Density
6.475
Covalent Rad.
1.62000
Oxidation States
3
State
Synth.
Electonic Config
[Xe]4f5_6s2
Electro Neg
1.130000

Color Spectrum

Promethium

No Data Available for this element!


By Milt Hull , HullSoft Enterprises

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