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Zinc (Zn) properties


Atomic mass, symbol and atomic number

zinc is a naturally occurring element with the element symbol Zn and atomic number 30. In the periodic table it stands with an atomic mass of 65.409 u in the 2nd subgroup. The chemical element is not radioactive and is in a solid state at room temperature.

Characteristics: Zinc

General
Chemical element:zinc
Symbol:Zn
Atomic number:30
Group:zinc group
Period:4
Block:d-block
Series:zinc group
Appearance:bluish-silver
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Year of discovery:primeval
Atomic properties
Atomic mass:65.409 u
Atomic radius:135 pm
Covalent radius:122 pm
Van der Waals radius:139 pm
Electron configuration:Ar 3d10 4s2
ionization:906.4 kJ / mol
Physical Properties
Physical state:firmly
Density:???
Crystal structure:hexagonal
Magnetism:diamagnetic
molar volume:9,16 · 10-6 m3/ mol
Mohs hardness:2,5
Melting point:419 ° C
Boiling point:907 ° C
Heat of fusion:7.35 kJ / mol
Heat of vaporization:115 kJ / mol
Thermal conductivity:120 W
Chemical properties
electronegativity:1,65

Did you know that ...

  • Zinc in the human body is one of the essential trace element?
  • Calf's liver, soybeans and cheese are particularly rich in zinc?
  • Zinc is an indispensable element in batteries and acts as an anode?
  • Zinc metal blue shimmers?