Magnesium vs Rhenium

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PropertyMg MagnesiumRe Rhenium
Atomic number1275
SymbolMgRe
NameMagnesiumRhenium
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight24.3055 u186.207 u
Period36
Group27
Blockss
Phase at STPsolidsolid
Electron configuration[Ne]3s2[Xe]6s24f145d5
Oxidation states[0, 1, 2][-3, -1, 0, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)1.311.9
Electron affinity-0.4 eV0.15 eV
Density1740 kg/m³2.080000e+4 kg/m³
Melting point649.85 °C3185.85 °C
Boiling point1089.85 °C5595.85 °C
Discovery year17551925