ഫലകം:Infobox zinc

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Zinc,  30Zn
പ്രമാണം:Zinc-sample
General properties
Appearancebluish pale gray
Standard atomic weight (Ar, standard)65.38(2)[1]
Zinc in the periodic table
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
Atomic number (Z)30
Groupgroup 12
Periodperiod 4
Blockd-block
Electron configuration[Ar] 3d10 4s2
Electrons per shell
2, 8, 18, 2
Physical properties
Phase at STPsolid
Melting point692.68 K ​(419.53 °C, ​787.15 °F)
Boiling point1180 K ​(907 °C, ​1665 °F)
Density (near r.t.)7.14 g/cm3
when liquid (at m.p.)6.57 g/cm3
Heat of fusion7.32 kJ/mol
Heat of vaporization123.6 kJ/mol
Molar heat capacity25.390 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 610 670 750 852 990 (1185)
Atomic properties
Oxidation states−2, 0, +1, +2 (an amphoteric oxide)
ElectronegativityPauling scale: 1.65
Ionization energies
Atomic radiusempirical: 135 pm
calculated: 142 pm
Covalent radius131 pm
Van der Waals radius139 pm
Color lines in a spectral range
Spectral lines of zinc
Other properties
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 244.26 d ε - 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
69Zn syn 56.4 min β 0.906 69Ga
70Zn 0.6% 70Zn is stable with 40 neutrons
| references
  1. Meija, J.; മറ്റുള്ളവർക്കൊപ്പം. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
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