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Bismuth (Bi)

From Wikipedia, the free encyclopediaBismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores.

Bismuth in the periodic table

SymbolBi
Atomic number83
Group15
Period6
Blockp
Element categoryPost-Transition Metal

Physical properties

Phase at STPSolid
Density9.78 g/cm3
Atomic weight208.98 u
Melting point544.7 K
271.55 °C
520.79 °F
Boiling point1837 K
1563.85 °C
2846.93 °F

Atomic properties

Electronegativity (Pauling Scale)2.02
Electron affinity90.924 kJ/mol
Oxidation states−3, −2, −1, +1, +2, +3, +4, +5
(a mildly acidic oxide)
Ionization energies
1703 kJ/mol
2 1610 kJ/mol
3 2466 kJ/mol
4 4370 kJ/mol
5 5400 kJ/mol
6 8520 kJ/mol

Electron configuration

Elektronkonfiguration (shorthand)[Xe] 4f14 5d10 6s2 6p3
Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p3
Electrons per shell2, 8, 18, 32, 18, 5

History

Discovered1000
Discovered byJabirian corpus
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