Silicon vs Xenon

PropertySi SiliconXe Xenon
Atomic number1454
SymbolSiXe
NameSiliconXenon
Categorymetalloidnoble-gas
Standard Atomic Weight28.085 u131.293 u
Period35
Group1418
Blockpp
Phase at STPsolidgas
Electron configuration[Ne]3s23p2[Kr]5s24d105p6
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 2, 4, 6, 8]
Electronegativity (Pauling)1.92.6
Electron affinity1.385 eV-0.8 eV
Density2329.6 kg/m³5.887 kg/m³
Melting point1413.85 °C-111.79 °C
Boiling point3264.85 °C-108.1 °C
Discovery year18241898