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Template:Infobox zinc

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Zinc, 30Zn
Template:Infobox element/symbol-to-top-image/alt
Zinc
Appearancesiller-gray
Standard atomic weight Ar, std(Zn)65.38(2)[1]
Zinc in the periodic cairt
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gowd Mercur (element) Thallium Leid (element) Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
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Zn

Cd
copperzincgallium
Atomic nummer (Z)30
Groupgroup 12
Periodperiod 4
Blockd-block
Element category  Post-transeetion metal
Electron confeeguration[Ar] 3d10 4s2
Electrons per shell2, 8, 18, 2
Pheesical properties
Phase at STPsolit
Meltin pynt692.68 K ​(419.53 °C, ​787.15 °F)
Bylin pynt1180 K ​(907 °C, ​1665 °F)
Density (near r.t.)7.14 g/cm3
when liquid (at m.p.)6.57 g/cm3
Heat o fusion7.32 kJ/mol
Heat o vapourisation123.6 kJ/mol
Molar heat capacity25.470 J/(mol·K)
Vapour pressur
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 610 670 750 852 990 1179
Atomic properties
Oxidation states−2, 0, +1, +2 (an amphoteric oxide)
ElectronegativityPauling scale: 1.65
Ionisation energies
Atomic radiusempirical: 134 pm
Covalent radius122±4 pm
Van der Waals radius139 pm
Colour lines in a spectral range
Colour lines in a spectral range
Spectral lines o zinc
Ither properties
Naitural occurrenceprimordial
Creestal structurhexagonal close-packed (hcp)
Hexagonal close packed creestal structur for zinc
Speed o soond thin rod(rolled) 3850 m/s (at r.t.)
Thermal expansion30.2 µm/(m·K) (at 25 °C)
Thermal conductivity116 W/(m·K)
Electrical resistivity59.0 n Ω·m (at 20 °C)
Magnetic orderindiamagnetic
Young's modulus108 GPa
Shear modulus43 GPa
Bulk modulus70 GPa
Poisson ratio0.25
Mohs haurdness2.5
Brinell haurdness412 MPa
CAS Nummer7440-66-6
History
DiskiveryIndian metallurgists (before 1000 BC)
First isolationAndreas Sigismund Marggraf (1746)
Recognized as a unique metal biRasaratna Samuccaya (800)
Main isotopes o zinc
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct
64Zn 48.6% >2.3×1018 y (β+β+) 64Ni
65Zn syn 243.8 d ε 65Cu
γ -
66Zn 27.9% stable
67Zn 4.1% stable
68Zn 18.8% stable
69Zn syn 56 min β 69Ga
69mZn syn 13.76 h β 69Ga
70Zn 0.6% >1.3×1016 y (ββ) 70Ge
71Zn syn 2.4 min β 71Ga
71mZn syn 3.97 d β 71Ga
72Zn syn 46.5 h β 72Ga
Decay modes in parentheses are predictit, but hae nae yet been observed
| references
style="text-align:left"|
in calc from C diff report ref
C 419.53
K 692.68 692.68 0
F 787.15 787.15 0
WD 419 Celsius Edit this at Wikidata [2]
input C: 419.53, K: 692.68, F: 787.15
comment
style="text-align:left"|
in calc from C diff report ref
C 907
K 1180 1180 0
F 1665 1665 0
WD 907 Celsius Edit this at Wikidata [2]
input C: 907, K: 1180, F: 1665
comment

References

  1. Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. a b "ZINC POWDER (pyrophoric)"; date retrieved: 15 Juin 2019.