Strontium vs Bohrium

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PropertySr StrontiumBh Bohrium
Atomic number38107
SymbolSrBh
NameStrontiumBohrium
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight87.62 u270 u
Period57
Group27
Blockss
Phase at STPsolidN/A
Electron configuration[Kr]5s2[Rn]7s25f146d5
Oxidation states[1, 2][3, 4, 5, 7]
Electronegativity (Pauling)0.95N/A
Electron affinity0.052 eV0.44 eV
Density2640 kg/m³3.710000e+4 kg/m³
Melting point776.85 °C-273.15 °C
Boiling point1381.85 °C-273.15 °C
Discovery year17921976