Cadmium
Symbol
Cd
Atomic Number
48
Atomic Weight
112.411
Element Classification
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
0.232
Fusion Heat (kJ/mol)
6.11
Evaporation Heat (kJ/mol)
59.1
Thermal Conductivity (@25°C W/m K)
96.9
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
2.980
Lattice C/A Ratio
1.886
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