Protactinium vs Moscovium

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PropertyPa ProtactiniumMc Moscovium
Atomic number91115
SymbolPaMc
NameProtactiniumMoscovium
Categoryactinidepost-transition-metal
Standard Atomic Weight231.03588 u289 u
Period77
GroupN/A15
Blocksp
Phase at STPsolidsolid
Electron configuration[Rn]7s25f26d1[Rn] 7s2 7p3 5f14 6d10(predicted)
Oxidation states[2, 3, 4, 5][1, 3]
Electronegativity (Pauling)1.5N/A
Electron affinity0.123 eV0.3 eV
Density1.537000e+4 kg/m³1.350000e+4 kg/m³
Melting point1571.85 °C396.85 °C
Boiling point-273.15 °C1126.85 °C
Discovery year19132004