Electron Configuration

[Ar] 4s2 3d10 4p3

Arsenic means "orpiment"
Melting Point: 339.85 oC
Boiling Point: 339.85 oC
Heat of Vaporization: 425.78 J/g
Heat of Fusion: 369.72 J/g
Specific Heat Capacity: 0.329 J/g . Co or 0.08 cal/g . Co
Density: 5.72 g/cm3