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Bismuth Facts

Chemical & Physical Properties


Bismuth is a crystalline white metal, with a pink tinge.

Bismuth is a crystalline white metal, with a pink tinge. The iridescent color of this bismuth crystal is the result of a thin oxide layer on its surface.

Dschwen, wikipedia.org
Periodic Table of the Elements


Symbol: Bi

Atomic Number: 83

Atomic Weight: 208.98037

Electron Configuration: [Xe] 4f14 5d10 6s2 6p3

Element Classification: Metal

Discovery: Known to the ancients.

Name Origin: German: bisemutum, (white mass), presently spelled wismut.

Density (g/cc): 9.747

Melting Point (K): 544.5

Boiling Point (K): 1883

Appearance: hard, brittle, steel-gray metal with a pinkish tinge

Atomic Radius (pm): 170

Atomic Volume (cc/mol): 21.3

Covalent Radius (pm): 146

Ionic Radius: 74 (+5e) 96 (+3e)

Specific Heat (@20°C J/g mol): 0.124

Fusion Heat (kJ/mol): 11.00

Evaporation Heat (kJ/mol): 172.0

Debye Temperature (K): 120.00

Pauling Negativity Number: 2.02

First Ionizing Energy (kJ/mol): 702.9

Oxidation States: 5, 3

Lattice Structure: rhombohedral

Lattice Constant (Å): 4.750

References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)

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