Bismuth (pípè /ˈbɪzməθ/, BIZ-məth) je ipilese elegbogi to ni ami-idamo Bi ati nomba atomu 83.

Bismuth, 83Bi
Bismuth
Pípè /ˈbɪzməθ/ (BIZ-məth)
Ìhànsójúlustrous silver
Ìwúwo átọ̀mù Ar, std(Bi)208.98040(1)[1]
Bismuth 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
Sb

Bi

Mc
leadbismuthpolonium
Nọ́mbà átọ̀mù (Z)83
Ẹgbẹ́group 15 (pnictogens)
Àyèàyè 6
Àdìpọ̀Àdìpọ̀-p
Ẹ̀ka ẹ́límẹ́ntì  Post-transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Xe] 4f14 5d10 6s2 6p3
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 32, 18, 5
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́544.7 K ​(271.5 °C, ​520.7 °F)
Ígbà ìhó1837 K ​(1564 °C, ​2847 °F)
Kíki (near r.t.)9.78 g/cm3
when liquid (at m.p.)10.05 g/cm3
Heat of fusion11.30 kJ/mol
Heat of 151 kJ/mol
Molar heat capacity25.52 J/(mol·K)
 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, +1, +2, +3, +4, +5 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 2.02
energies
Atomic radiusempirical: 156 pm
Covalent radius148±4 pm
Van der Waals radius207 pm
Color lines in a spectral range
Color lines in a spectral range
Spectral lines of bismuth
Other properties
Natural occurrenceprimordial
Crystal structurerhombohedral
Rhombohedral crystal structure for bismuth
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
Main isotopes of bismuth
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
207Bi syn 31.55 y ε, β+ 2.399 207Pb
208Bi syn 368,000 y ε, β+ 2.880 208Pb
209Bi 100% (19 ± 2) ×1018y α 3.14 205Tl
210mBi syn 3.04 ×106y IT 0.271 210Bi
Àdàkọ:Category-inline
| 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.