Silicon vs Cerium

PropertySi SiliconCe Cerium
Atomic number1458
SymbolSiCe
NameSiliconCerium
Categorymetalloidlanthanide
Standard Atomic Weight28.085 u140.116 u
Period36
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p2[Xe]6s24f15d1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][1, 2, 3, 4]
Electronegativity (Pauling)1.91.12
Electron affinity1.385 eV0.955 eV
Density2329.6 kg/m³6770 kg/m³
Melting point1413.85 °C797.85 °C
Boiling point3264.85 °C3423.85 °C
Discovery year18241801