Helium
He
1ST Ion Potential
24.58700
2
2nd Ion Potential
54.41600
3rd Ion Potential
*
Previous
Group
8B
Next
Crystal Structure
Hex
Atomic Weight
4.002600
Therm Conductivity
0.00152
Melting Point
0.95000
Vaporization
0.08450
Elect Conductivity
*
Boiling Pt.
4.21500
Fusion
*
Ionic Radius
*
Atomic Vol.
178.69
Specific Heat
5.193000
Automic Radius
0.49000
Density
Gas
Covalent Rad.
0.93000
Oxidation States
None
State
*
Electonic Config
1s2
Electro Neg
*

Color Spectrum

<==== Ultraviolet Helium

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By Milt Hull , HullSoft Enterprises

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