Silicon vs Indium

PropertySi SiliconIn Indium
Atomic number1449
SymbolSiIn
NameSiliconIndium
Categorymetalloidpost-transition-metal
Standard Atomic Weight28.085 u114.818 u
Period35
Group1413
Blockpp
Phase at STPsolidsolid
Electron configuration[Ne]3s23p2[Kr]5s24d105p1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-5, -2, -1, 0, 1, 2, 3]
Electronegativity (Pauling)1.91.78
Electron affinity1.385 eV0.3 eV
Density2329.6 kg/m³7310 kg/m³
Melting point1413.85 °C156.6 °C
Boiling point3264.85 °C2071.85 °C
Discovery year18241863