మూస:Infobox bismuth

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బిస్మత్, 00Bi
బిస్మత్
Pronunciation/ˈbɪzməθ/ (BIZ-məth)
Appearancelustrous silver
Standard atomic weight Ar°(Bi)
బిస్మత్ 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
Sb

Bi

Uup
సీసముబిస్మత్పొలోనియం
Groupమూస:Infobox element/symbol-to-group/format
Periodperiod 6
Block  p-block
Electron configuration[Xe] 4f14 5d10 6s2 6p3
Electrons per shell2, 8, 18, 32, 18, 5
Physical properties
Phase at STPsolid
Melting point544.7 K ​(271.5 °C, ​520.7 °F)
Boiling point1837 K ​(1564 °C, ​2847 °F)
Density (near r.t.)9.78 g/cm3
when liquid (at m.p.)10.05 g/cm3
Heat of fusion11.30 kJ/mol
Heat of vaporization151 kJ/mol
Molar heat capacity25.52 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 941 1041 1165 1325 1538 1835
Atomic properties
Oxidation states−3, −2, −1, 0,[3] +1, +2, +3, +4, +5 (a mildly acidic oxide)
ElectronegativityPauling scale: 2.02
Ionization energies
Atomic radiusempirical: 156 pm
Covalent radius148±4 pm
Van der Waals radius207 pm
Color lines in a spectral range
Spectral lines of బిస్మత్
Other properties
Natural occurrenceprimordial
Crystal structurerhombohedral[4]
Rhombohedral crystal structure for బిస్మత్
Speed of sound thin rod1790 m/s (at 20 °C)
Thermal expansion13.4 µm/(m⋅K) (at 25 °C)
Thermal conductivity7.97 W/(m⋅K)
Electrical resistivity1.29 µ Ω⋅m (at 20 °C)
Magnetic orderingdiamagnetic
Young's modulus32 GPa
Shear modulus12 GPa
Bulk modulus31 GPa
Poisson ratio0.33
Mohs hardness2.25
Brinell hardness94.2 MPa
CAS Number7440-69-9
History
DiscoveryClaude François Geoffroy (1753)
Isotopes of బిస్మత్
Template:infobox బిస్మత్ isotopes does not exist
 Category: బిస్మత్
| references

References

  1. "Standard Atomic Weights: Bismuth". CIAAW. 2005.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; et al. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (in ఇంగ్లీష్). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. Bi(0) state exists in a N-heterocyclic carbene complex of dibismuthene; see Deka, Rajesh; Orthaber, Andreas (May 6, 2022). "Carbene chemistry of arsenic, antimony, and bismuth: origin, evolution and future prospects". Royal Society of Chemistry. 51 (22): 8540–8556. doi:10.1039/d2dt00755j. PMID 35578901. S2CID 248675805.
  4. Cucka, P.; Barrett, C. S. (1962). "The crystal structure of Bi and of solid solutions of Pb, Sn, Sb and Te in Bi". Acta Crystallographica. 15 (9): 865. doi:10.1107/S0365110X62002297.


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