Silicon vs Strontium

PropertySi SiliconSr Strontium
Atomic number1438
SymbolSiSr
NameSiliconStrontium
Categorymetalloidalkaline-earth-metal
Standard Atomic Weight28.085 u87.62 u
Period35
Group142
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p2[Kr]5s2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][1, 2]
Electronegativity (Pauling)1.90.95
Electron affinity1.385 eV0.052 eV
Density2329.6 kg/m³2640 kg/m³
Melting point1413.85 °C776.85 °C
Boiling point3264.85 °C1381.85 °C
Discovery year18241792