Tellurium vs Lawrencium

PropertyTe TelluriumLr Lawrencium
Atomic number52103
SymbolTeLr
NameTelluriumLawrencium
Categorymetalloidactinide
Standard Atomic Weight127.6 u262 u
Period57
Group163
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p4[Rn]7s25f146d1
Oxidation states[-2, -1, 0, 1, 2, 3, 4, 5, 6][3]
Electronegativity (Pauling)2.1N/A
Electron affinity1.9708 eV0.315 eV
Density6232 kg/m³1.560000e+4 kg/m³
Melting point449.51 °C1626.85 °C
Boiling point987.85 °C-273.15 °C
Discovery year17821961