Bismuto

Bismuth
83Bi
Sb ↑ Bi ↓ Uup Periodic table lead ← bismuth → polonium
Panagway
lustrous silver
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	bismuth, Bi, 83
Paglitok	/ˈbɪzməθ/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-məth]]
Kategoriyang elemento	post-transition metal
Group, period, block	15, 6, p
Gibug-aton sa atomo	208.98040(1)
Kontorno sa elektron	[Xe] 4f14 5d10 6s2 6p3 2, 8, 18, 32, 18, 5 Electron shells of bismuth (2, 8, 18, 32, 18, 5)
History
Pagkadiskobre	Claude François Geoffroy (1753)
Physical properties
Phase	magahi
Density (near r.t.)	9.78 g·cm−3
Liquid density at m.p.	10.05 g·cm−3
Melting point	544.7 K, 271.5 °C, 520.7 °F
Boiling point	1837 K, 1564 °C, 2847 °F
Heat of fusion	11.30 kJ·mol−1
Heat of vaporization	151 kJ·mol−1
Molar heat capacity	25.52 J·mol−1·K−1
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	5, 4, 3, 2, 1 (mildly acidic oxide)
Electronegativity	2.02 (Pauling scale)
Ionization energies (more)	1st: 703 kJ·mol−1
	2nd: 1610 kJ·mol−1
	3rd: 2466 kJ·mol−1
Atomic radius	156 pm
Covalent radius	148±4 pm
Van der Waals radius	207 pm
Miscellanea
Crystal structure	rhombohedral
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 1.29 µΩ·m
Thermal conductivity	7.97 W·m−1·K−1
Thermal expansion	(25 °C) 13.4 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 1790 m·s−1
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 registry number	7440-69-9
Most stable isotopes
Main article: Isotopes of bismuth
iso NA half-life DM DE (MeV) DP 207Bi syn 31.55 y β+ 2.399 207Pb 208Bi syn 3.68×105 y β+ 2.880 208Pb 209Bi 100% 1.9×1019 y α 3.137 205Tl 210Bi trace 5.012 d β− 1.426 210Po α 5.982 206Tl 210mBi syn 3.04×106 y IT 0.271 210Bi α 6.253 206Tl

Ang bismuto (Iningles bismuth) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Bi ug kaiphan nga atomik 83. Ang bismuto mao ang puthaw.

Galeriya sa hulagway

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