Calcium vs Molybdenum

← Back to Periodic Table
PropertyCa CalciumMo Molybdenum
Atomic number2042
SymbolCaMo
NameCalciumMolybdenum
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight40.078 u95.95 u
Period45
Group26
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s2[Kr]5s14d5
Oxidation states[1, 2][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)12.16
Electron affinity0.0245 eV0.744 eV
Density1540 kg/m³1.020000e+4 kg/m³
Melting point841.85 °C2622.85 °C
Boiling point1483.85 °C4638.85 °C
Discovery year18081778