Strontium vs Tellurium

PropertySr StrontiumTe Tellurium
Atomic number3852
SymbolSrTe
NameStrontiumTellurium
Categoryalkaline-earth-metalmetalloid
Standard Atomic Weight87.62 u127.6 u
Period55
Group216
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s2[Kr]5s24d105p4
Oxidation states[1, 2][-2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)0.952.1
Electron affinity0.052 eV1.9708 eV
Density2640 kg/m³6232 kg/m³
Melting point776.85 °C449.51 °C
Boiling point1381.85 °C987.85 °C
Discovery year17921782