Magnesium vs Chromium

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PropertyMg MagnesiumCr Chromium
Atomic number1224
SymbolMgCr
NameMagnesiumChromium
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight24.3055 u51.9961 u
Period34
Group26
Blockss
Phase at STPsolidsolid
Electron configuration[Ne]3s2[Ar]3d54s1
Oxidation states[0, 1, 2][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.311.66
Electron affinity-0.4 eV0.675 eV
Density1740 kg/m³7150 kg/m³
Melting point649.85 °C1906.85 °C
Boiling point1089.85 °C2670.85 °C
Discovery year17551797