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.
Comments
Post a Comment