GOLD

 GOLD (79) (Solid)  195(183 DAYS)EC  196(6.18 DAYS)B-,EC,B+  198(2.69 DAYS)B-

199(3.15 DAYS)B-

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

Atomic volume:10.2 cm(3)/mol at 300Deg. Kelvin

Atomic weight:196.9665 (Based on Carbon 12)

Boiling point:3130Deg. Kelvin

Covalent radius:1.34Deg. A

Crystal structure:Cubic,face centered

Density:19.3 g/cm(3) at 300Deg. Kelvin

Electrical conductivity:.452 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)5s(2)p(6)

4f(14)5d(10)6s(1)

Electronegativity:2.54 (Pauling's)

First ionization potential:9.225 V

Heat of fusion:12.55 kJ/mol at melting point

Heat of vaporization:334.4 kJ/mol at boiling point

Melting point:1337.58Deg. Kelvin

Oxidation states:3,1 amphoteric(3)

Specific heat capacity:.128 Jg(x.1) K(x.1) at 300Deg. Kelvin

Thermal conductivity:3.17 W cm(x.1) K(x.1) at 300Deg. Kelvin

Description:A malleable,ductile,yellow metallic element that occurs chiefly

free or in a few minerals and is used especially in coins,jewelry and dentures.

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