Tellurium vs Tennessine

PropertyTe TelluriumTs Tennessine
Atomic number52117
SymbolTeTs
NameTelluriumTennessine
Categorymetalloidhalogen
Standard Atomic Weight127.6 u294 u
Period57
Group1617
Blockpp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p4[Rn] 7s2 7p5 5f14 6d10(predicted)
Oxidation states[-2, -1, 0, 1, 2, 3, 4, 5, 6][-1, 1, 3, 5]
Electronegativity (Pauling)2.1N/A
Electron affinity1.9708 eV1.8 eV
Density6232 kg/m³7200 kg/m³
Melting point449.51 °C549.85 °C
Boiling point987.85 °C609.85 °C
Discovery year17822010