Symbol: Cd
Atomic Number: 48
Atomic Weight: 112.411
Element Classification: Transition Metal
Discovered By: Fredrich Stromeyer
Discovery Date: 1817 (Germany)
Name Origin: Greek: kadmeia (ancient name for calamine (zinc oxide)).
Density (g/cc): 8.65
Melting Point (K): 594.1
Boiling Point (K): 1038
Appearance: Soft, malleable, blue-white metal
Atomic Radius (pm): 154
Atomic Volume (cc/mol): 13.1
Covalent Radius (pm): 148
Ionic Radius: 97 (+2e)
Specific Heat (@20°C J/g mol): 0.232
Fusion Heat (kJ/mol): 6.11
Evaporation Heat (kJ/mol): 59.1
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): 120.00
Pauling Negativity Number: 1.69
First Ionizing Energy (kJ/mol): 867.2
Oxidation States: 2
Electronic Configuration: [Kr] 4d¹⁰ 5s²
Lattice Structure: Hexagonal (HEX)
Lattice Constant (Å): 2.980
Lattice C/A Ratio: 1.886