Manganese vs Oganesson

PropertyMn ManganeseOg Oganesson
Atomic number25118
SymbolMnOg
NameManganeseOganesson
Categorytransition-metalnoble-gas
Standard Atomic Weight54.938044 u294 u
Period47
Group718
Blocksp
Phase at STPsolidgas
Electron configuration[Ar]4s23d5[Rn] 7s2 7p6 5f14 6d10(predicted)
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5, 6, 7][-1, 0, 1, 2, 4, 6]
Electronegativity (Pauling)1.55N/A
Electron affinity-0.5 eV0.056 eV
Density7300 kg/m³7000 kg/m³
Melting point1245.85 °C-273.15 °C
Boiling point2060.85 °C-243.15 °C
Discovery year17742006