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Zinc

Metalsolid
Symbol: Zn
Atomic number: 30
Atomic mass: 65.39
Group: Metal
CAS-number: 7440-66-6

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Physical data
Isotopes
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Physical data

Electronic dataThermal dataSteric data
Shells: 2, 8, 18, 2
Orbitals: [Ar] 3d10 4s2
Electronegativity: 1.6, 1.7
1. Ionization potential: 9.3941 eV
2. Ionization potential: 17.964 eV
3. Ionization potential: 39.722 eV
Oxidation states: 2
Electrical conductivity: 0.166 10^6
Melting point: 419.58 °C
Boiling point: 907 °C
Specific heat: 0.39 J/gK
Heat of fusion: 7.322 kJ/mol
Heat of vaporization: 115.30 kJ/mol
Thermal conductivity: 1.16 W/cmK
Atomic radius: 1.53 Å
Ionic radius: 0.74 Å (+2)
Covalent radius: 1.25 Å
Atomic volume: 9.2 cm³/mol
Density (293 K): 7.14 g/cm³
Crystal structure: hexagonal
hexagonal

Isotopes

NuclideAbundance [%]MassSpinHalflifeDecay modeDecay tree
62Zn 0 62 0 9.26h EC, β+ View
63Zn 0 63 0 38.5m β+, EC View
64Zn 48.6 63.9291 0 -- --
65Zn 0 64.926 5/2 243.8d EC, β+ View
66Zn 27.9 65.926 0 -- --
67Zn 4.1 66.9271 5/2 -- --
68Zn 18.8 67.9248 0 -- --
69Zn 0 69 1/2 55.6m β- View
69Znm 0 69 9/2 13.76h IT, β- View
70Zn 0.6 69.9253 0 -- --
72Zn 0 72 0 46.5h β- View

Other info

Name origin:German: zink (German for tin)
Description:Bluish-silver, ductile metal.
Discovered by:Known to the ancients
Year:--
Place:Germany
Sources:Found in the minerals zinc blende (sphalerite) (ZnS), calamine, franklinite, smithsonite (ZnCO3), willemite, and zincite (ZnO).
Use(s):Used to coat other metal (galvanizing) to protect them from rusting. Also used in alloys such as brass, bronze, nickel. Also in solder, cosmetics and pigments.