Calcium vs Tennessine

PropertyCa CalciumTs Tennessine
Atomic number20117
SymbolCaTs
NameCalciumTennessine
Categoryalkaline-earth-metalhalogen
Standard Atomic Weight40.078 u294 u
Period47
Group217
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s2[Rn] 7s2 7p5 5f14 6d10(predicted)
Oxidation states[1, 2][-1, 1, 3, 5]
Electronegativity (Pauling)1N/A
Electron affinity0.0245 eV1.8 eV
Density1540 kg/m³7200 kg/m³
Melting point841.85 °C549.85 °C
Boiling point1483.85 °C609.85 °C
Discovery year18082010