Discovered By: William Hyde Wollaston
Discovery year: 1803

The following table showing some properties of Palladium(Pd):

Table Example
Atomic number 46
Group 10
Period 5
Block d
Electrons 46
Protons 46
Neutrons 60
Atomic weight 106.42
Oxidation states +2, +4
Ionic charge Pd^2+, Pd^4+


Table Example
Electrons per shell K2 L8 M18 N18
Electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 4d^10
Atomic radius 169 pm
Covalent radius 139 pm
Van der Waals radius 163 pm
Boiling point 2963°C
Melting point 1554.9°C
Phase Solid
Fusion heat 16.7 kJ.mol^-1
Vaporizatio heat 380 kJ.mol^-1


Table Example
Color Silver
Brinell hardness 37.3 PMa
Bulk modulus 180 GPa
Density 12023 kg.m^-3
Liquid density 10380 kg.m^-3
Mohs hardness 1.75
Molar volume 8.851*10^-6 m^3.mol^-1
Poisson ratio 0.39
Shear modulus 44 GPa
Sound speed 3070 m.s^-1


Table Example
Vickers hardness 461 MPa
Young's modulus 121 GPa
Electric type Conductor
Magnetic type Paramagnetic
Volume magnetic susceptibility 7.899*10^-4
Resistivity 1*10^-7 Ohm.m
Electronegativity 2.2
Valence 4
Radioactive No
Neutron cross section 6.9 barn