Strontium vs Livermorium

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PropertySr StrontiumLv Livermorium
Atomic number38116
SymbolSrLv
NameStrontiumLivermorium
Categoryalkaline-earth-metalpost-transition-metal
Standard Atomic Weight87.62 u293 u
Period57
Group216
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s2[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[1, 2][-2, 2, 4]
Electronegativity (Pauling)0.95N/A
Electron affinity0.052 eV0.7 eV
Density2640 kg/m³1.290000e+4 kg/m³
Melting point776.85 °C506.85 °C
Boiling point1381.85 °C861.85 °C
Discovery year17922000