PERIODIC TABLE

Arsenic

Atomic No. 33 As Arsenic

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Properties

Atomic Number
33
Atomic Symbol
As
Atomic Mass
74.9216
CAS No.
7440-38-2
Density
5.727 g/cm³
Series
metalloid
Melting Point
817°C
Boiling Point
614°C
Thermal Conductivity
0.5 W/cm °C
Heat of Fusion
27.7 kJ/mol
Heat of Vaporization
32.4 kJ/mol
Electronegativity
2.18 pauling
Crystal Structure
Trigonal
Electrical Conductivity
3.3×106 S/m

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