eFunda: General Information on Element Arsenic
engineering fundamentals Element Information: Arsenic
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Arsenic
33
As
74.9216
Atomic Number 33
Atomic Weight 74.9216
Electron Config. 2-2-6-2-6-10-2-3
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 5720 kg/m3 Solid  298.15 
Thermal Expansion Coefficient 4.700 /K Solid  293.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 3.330 W-m 293.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 1090.15 K   Triple point 
Boiling Temperature
*Sublimation temperature.
887.15 K   101325 
Critical Temperature 1673.15 K    
Fusion Enthalpy 371 J/g
Heat Capacity 329 J/kg-K 298.149993896 100000 

 
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