Strontium vs Molybdenum

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PropertySr StrontiumMo Molybdenum
Atomic number3842
SymbolSrMo
NameStrontiumMolybdenum
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight87.62 u95.95 u
Period55
Group26
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s2[Kr]5s14d5
Oxidation states[1, 2][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)0.952.16
Electron affinity0.052 eV0.744 eV
Density2640 kg/m³1.020000e+4 kg/m³
Melting point776.85 °C2622.85 °C
Boiling point1381.85 °C4638.85 °C
Discovery year17921778