PALLADIUM

 PALLADIUM (46) (Solid)  103(17 days)EC  107(7,000,000 years)B-

Atomic radius:1.79Deg. A (Quantum mech. value for a free atom)

Atomic volume:8.9 cm(3)/mol at 300Deg. Kelvin

Atomic weight:106.4 (Based on Carbon 12)

Boiling point:3237Deg. Kelvin

Covalent radius:1.28Deg. A 

Crystal structure:Cubic,face centered

Density:12 g/cm(3) at 300Deg. Kelvin

Electrical conductivity:.095 10(x6) Ohm(x.1) cm(x.1) at 293Deg. Kelvin

Electron configuration:1s(2)2s(2)p(6)3s(2)p(6)3d(10)4s(2)p(6)4d(10)

Electronegativity:2.2 (Pauling's)

First ionization potential:8.34 V

Heat of fusion:17.6 kJ/mol at melting point

Heat of vaporization:357 kJ/mol at boiling point

Melting point:1825Deg. Kelvin

Oxidation states:2,4 basic(4)

Specific heat capacity:.24 Jg(x.1) K(x.1) at 300Deg. Kelvin

Thermal conductivity:.718 W cm(x.1) K(x.1) at 300Deg. Kelvin

Description:A silver-white,malleable metallic element of the platinum group

that is used especially in electrical contacts,as a catalyst,and in alloys.

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