Bismuth

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

Bismuth, ₈₃Bi

Bismuth
Pípè	/ˈbɪzməθ/ ​(BIZ-məth)
Ìhànsójú	lustrous silver
Ìwúwo átọ̀mù Ar, std(Bi)	208.98040(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 lead ← bismuth → polonium
Nọ́mbà átọ̀mù (Z)	83
Ẹgbẹ́	group 15 (pnictogens)
Àyè	àyè 6
Àdìpọ̀	Àdìpọ̀-p
Ẹ̀ka ẹ́límẹ́ntì	Post-transition metal
Ìtò ẹ̀lẹ́ktrọ́nù	[Xe] 4f14 5d10 6s2 6p3
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 18, 32, 18, 5
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	544.7 K ​(271.5 °C, ​520.7 °F)
Ígbà ìhó	1837 K ​(1564 °C, ​2847 °F)
Kíki (near r.t.)	9.78 g/cm3
when liquid (at m.p.)	10.05 g/cm3
Heat of fusion	11.30 kJ/mol
Heat of	151 kJ/mol
Molar heat capacity	25.52 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
Electronegativity	Pauling scale: 2.02
energies	(more)
Atomic radius	empirical: 156 pm
Covalent radius	148±4 pm
Van der Waals radius	207 pm
Spectral lines of bismuth
Other properties
Natural occurrence	primordial
Crystal structure	​rhombohedral
Speed of sound thin rod	1790 m/s (at 20 °C)
Thermal expansion	13.4 µm/(m·K) (at 25 °C)
Thermal conductivity	7.97 W/(m·K)
Electrical resistivity	1.29 µ Ω·m (at 20 °C)
Magnetic ordering	diamagnetic
Young's modulus	32 GPa
Shear modulus	12 GPa
Bulk modulus	31 GPa
Poisson ratio	0.33
Mohs hardness	2.25
Brinell hardness	94.2 MPa
CAS Number	7440-69-9
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