మూస:జింక్ మూలకము

తుత్తునాగము/జింకు, ₀₀Zn

తుత్తునాగము/జింకు
Appearance	silver-gray
Standard atomic weight Ar°(Zn)
	65.38±0.02 65.38±0.02 (abridged)
తుత్తునాగము/జింకు 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 Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium - ↑ Zn ↓ Cd రాగి ← తుత్తునాగము/జింకు → గాలియం
Group	మూస:Infobox element/symbol-to-group/format
Period	period 4
Block	d-block
Electron configuration	[Ar] 3d10 4s2
Electrons per shell	2, 8, 18, 2
Physical properties
Phase at STP	solid
Melting point	692.68 K ​(419.53 °C, ​787.15 °F)
Boiling point	1180 K ​(907 °C, ​1665 °F)
Density (near r.t.)	7.14 g/cm3
when liquid (at m.p.)	6.57 g/cm3
Heat of fusion	7.32 kJ/mol
Heat of vaporization	123.6 kJ/mol
Molar heat capacity	25.470 J/(mol·K)
Vapor 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 (an amphoteric oxide)
Electronegativity	Pauling scale: 1.65
Ionization energies	(more)
Atomic radius	empirical: 134 pm
Covalent radius	122±4 pm
Van der Waals radius	139 pm
Spectral lines of తుత్తునాగము/జింకు
Other properties
Natural occurrence	primordial
Crystal structure	​hexagonal close-packed (hcp)
Speed of sound thin rod	(rolled) 3850 m/s (at r.t.)
Thermal expansion	30.2 µm/(m⋅K) (at 25 °C)
Thermal conductivity	116 W/(m⋅K)
Electrical resistivity	59.0 n Ω⋅m (at 20 °C)
Magnetic ordering	diamagnetic
Young's modulus	108 GPa
Shear modulus	43 GPa
Bulk modulus	70 GPa
Poisson ratio	0.25
Mohs hardness	2.5
Brinell hardness	412 MPa
CAS Number	7440-66-6
History
Discovery	Indian metallurgists (before 1000 BC)
First isolation	Andreas Sigismund Marggraf (1746)
లోహంగా గుర్తించినవారు	Rasaratna Samuccaya (800)
Isotopes of తుత్తునాగము/జింకు

References

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