Copper
Symbol: Cu
Atomic Number: 29
Atomic Weight: 63.546000
Family: Transition Metals
CAS RN: 7440-50-8
Description: Reddish orange transition metal.
State (25°C): Solid
Oxidation states: +1, +2
Molar Volume: 7.11 cm3/mole
Valence Electrons: 3d104s
1
Boiling Point:  2840°K, 2567°C, 4653°F
Melting Point: 1357.75°K, 1084.6°C, 1984.3°F
Electrons Energy Level: 2, 8, 18, 1
Isotopes: 26 + 2 Stable
Heat of Vaporization: 300.3 kJ/mol
Heat of Fusion: 13.05 kJ/mol
Density: 8.96 g/cm3 @ 300°K
Specific Heat: 0.38 J/g°K
Atomic Radius: 1.57Å
Ionic Radius: 0.73Å
Electronegativity: 1.9 (Pauling); 1.75 (Allrod Rochow)
Vapor Pressure: 0.0505 Pa @ 1084.6°C

Réz.comréz

A réz egy kémiai elem. vegyjele Cu.

Copper is a chemical element with the symbol Cu (Latin: cuprum) and atomic number 29

It is a ductile metal with very high thermal and electrical conductivity

 

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