Stable isotope Palladium (Pd)

Isotope Z(p) N(n) Atomic Mass Natural Abundance Enrichment Level Chemical Form
Pd-102 46 56 101.905607 1.02% >96.00% Metal
Pd-104 46 58 103.904034 11.14% 86.00-98.00% Metal
Pd-105 46 59 104.905083 22.33% 94.00-98.00% Metal
Pd-106 46 60 105.903484 27.33% 95.00-98.00% Metal
Pd-108 46 62 107.903895 26.46% >99.00% Metal
Pd-110 46 64 109.90515 11.72% >99.00% Metal
 

Properties of Palladium

Name Palladium
Symbol Pd
Atomic number 46
Atomic weight 106.42
Standard state Solid at 298 °K
CAS Registry ID 7440-05-3
Group in periodic table 10
Group name Precious metal or platinum group metal
Period in periodic table 5
Block in periodic table d-block
Color Silvery white metallic
Classification Metallic
Melting point 1554 °C
Boiling point 2970 °C
Thermal conductivity 71.8 W/(m·K) at 298.2 °K
Electrical resistivity 10.54 µΩ·cm at 20 °C
Electronegativity 2.2
Specific heat 0.24 kJ/kg K
Heat of vaporization 380 kJ·mol-1 at 2970 °C
Heat of fusion 16.7 kJ·mol-1
Density of liquid 10.38 g/cm3 at 1554 °C
Density of solid 12.02 g/cm3
Electron configuration [Kr]4d10
Atomic radius 1.375 Å
Ionic radius Pd2+ (coordination number 4, square planar): 0.64 Å
Oxidation states +2, +3, +4
Most common oxidation state +2