Magnesium vs Yttrium

PropertyMg MagnesiumY Yttrium
Atomic number1239
SymbolMgY
NameMagnesiumYttrium
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight24.3055 u88.90584 u
Period35
Group23
Blockss
Phase at STPsolidsolid
Electron configuration[Ne]3s2[Kr]5s24d1
Oxidation states[0, 1, 2][0, 1, 2, 3]
Electronegativity (Pauling)1.311.22
Electron affinity-0.4 eV0.307 eV
Density1740 kg/m³4470 kg/m³
Melting point649.85 °C1521.85 °C
Boiling point1089.85 °C3344.85 °C
Discovery year17551794