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Àdàkọ:Infobox zinc

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Zinc, 30Zn
Zinc
Ìhànsójúsilvery gray
Ìwúwo átọ̀mù Ar, std(Zn)65.38(2)[1]
Zinc ní orí tábìlì àyè
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 Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver 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 Gold Mercury (element) Thallium Lead 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 Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
-

Zn

Cd
copperzincgallium
Nọ́mbà átọ̀mù (Z)30
Ẹgbẹ́group 12
Àyèàyè 4
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì  Post-transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Ar] 3d10 4s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́692.68 K ​(419.53 °C, ​787.15 °F)
Ígbà ìhó1180 K ​(907 °C, ​1665 °F)
Kíki (near r.t.)7.14 g/cm3
when liquid (at m.p.)6.57 g/cm3
Heat of fusion7.32 kJ/mol
Heat of 123.6 kJ/mol
Molar heat capacity25.470 J/(mol·K)
 pressure
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 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.65
energies
Atomic radiusempirical: 134 pm
Covalent radius122±4 pm
Van der Waals radius139 pm
Color lines in a spectral range
Color lines in a spectral range
Spectral lines of zinc
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal
Hexagonal crystal structure for zinc
Speed of sound 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 orderingdiamagnetic
Young's modulus108 GPa
Shear modulus43 GPa
Bulk modulus70 GPa
Poisson ratio0.25
Mohs hardness2.5
Brinell hardness412 MPa
CAS Number7440-66-6
Main isotopes of zinc
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
64Zn 48.6% 64Zn is stable with 34 neutrons
65Zn syn 243.8 d ε 1.3519 65Cu
γ 1.1155 -
66Zn 27.9% 66Zn is stable with 36 neutrons
67Zn 4.1% 67Zn is stable with 37 neutrons
68Zn 18.8% 68Zn is stable with 38 neutrons

Àdàkọ:Elementbox isotopes decay2 2hl

70Zn 0.6% 70Zn is stable with 40 neutrons

Àdàkọ:Elementbox isotopes decay2 2hl

72Zn syn 46.5 h β 0.458 72Ga
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References

  1. Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna 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.