Zinc

 ZINC (30) (Solid)  65(244.1 days)B+,EC

Atomic radius:1.53Deg. A (Quantum mech. value for a free atom)

Atomic volume:9.2 cm(3)/mol at 300Deg. Kelvin

Atomic weight:65.38 (Based on Carbon 12)

Boiling point:1180Deg. Kelvin

Covalent radius:1.25Deg. Kelvin

Crystal structure:Hexagonal

Density:7.14 g/cm(3) at 300Deg. Kelvin

Electrical conductivity:.166 10(6) 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)

Electronegativity:1.65 (Pauling's)

First ionization potential:9.394 V

Heat of fusion:7.322 kJ/mol at melting point

Heat of vaporization:115.3 kJ/mol at boiling point

Melting point:692.73Deg. Kelvin

Oxidation states:2 Amphoteric

Specific heat capacity:.39 Jg(x.1) K(x.1) at 300Deg. Kelvin

Thermal conductivity:1.16 W cm(x.1) K(x.1) at 300Deg. Kelvin

Description:A bluish-white,crystalline,bivalent,metallic element of low to

medium hardness that is ductile when pure but in commercial form is brittle at

ordinary temperatures at becomes ductile upon slight heating.Occurs abundantly

in minerals,is an essential micronutrient in animals,and is used mostly as a

protective coating for iron and steel.

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