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Palladium

Pd Palladium
46
106.42
5
Symbol
Pd
Atomic Number
46
Atomic Weight
106.42
Element Classification
Discovered By
William Wollaston
Discovery Date
1803 (England)
Name Origin
Named after the asteroid, Pallas, discovered in 1803.
Density (g/cc)
12.02
Melting Point (K)
1825
Boiling Point (K)
3413
Appearance
Silvery-white, soft, malleable and ductile metal
Atomic Radius (pm)
137
Atomic Volume (cc/mol)
8.9
Covalent Radius (pm)
128
Ionic Radius
65 (+4e) 80 (+2e)
Specific Heat
0.244
Fusion Heat (kJ/mol)
17.24
Evaporation Heat (kJ/mol)
372.4
Thermal Conductivity (@25°C W/m K)
71.8
Debye Temperature (K)
275.00
Pauling Negativity Number
2.20
First Ionizing Energy (kJ/mol)
803.5
Oxidation States
4, 2, 0
Electronic Configuration
[Kr] 4d10
Lattice Structure
Face-Centered Cubic(FCC)
Lattice Constant
3.890
Lattice C/A Ratio
n/a

KEY

SEE ALSO

Palladium

Columbia Encyclopedia

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