Polonium vs Moscovium

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PropertyPo PoloniumMc Moscovium
Atomic number84115
SymbolPoMc
NamePoloniumMoscovium
Categorymetalloidpost-transition-metal
Standard Atomic Weight209 u289 u
Period67
Group1615
Blockpp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d106p4[Rn] 7s2 7p3 5f14 6d10(predicted)
Oxidation states[-2, 2, 4, 5, 6][1, 3]
Electronegativity (Pauling)2N/A
Electron affinity1.9 eV0.3 eV
Density9320 kg/m³1.350000e+4 kg/m³
Melting point253.85 °C396.85 °C
Boiling point961.85 °C1126.85 °C
Discovery year18982004