Science, Tech, Math Science Bismuth Facts Chemical & Physical Properties of Bismuth Share Flipboard Email Print Wilfried Puhlmann / EyeEm/Getty Images Science Chemistry Periodic Table Basics Chemical Laws Molecules Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry in Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate by Anne Marie Helmenstine, Ph.D. Updated March 09, 2017 SymbolBiAtomic Number83Atomic Weight208.98037Electron Configuration[Xe] 4f14 5d10 6s2 6p3Element ClassificationMetalDiscoveryKnown to the ancients.Name OriginGerman: bisemutum, (white mass), presently spelled wismut.Density (g/cc)9.747Melting Point (K)44.5Boiling Point (K)1883Appearancehard, brittle, steel-gray metal with a pinkish tingeAtomic Radius (pm)170Atomic Volume (cc/mol)21.3Covalent Radius (pm)146 Ionic Radius74 (+5e) 96 (+3e)Specific Heat (@20°C J/g mol)0.124Fusion Heat (kJ/mol)11.00Evaporation Heat (kJ/mol)172.0Debye Temperature (K)120.00Pauling Negativity Number2.02First Ionizing Energy (kJ/mol)702.9Oxidation States5, 3Lattice StructurerhombohedralLattice Constant (Å)4.750References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)Return to the Periodic Table citecite this article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Bismuth Facts." ThoughtCo, Mar. 9, 2017, thoughtco.com/bismuth-element-facts-606506. Helmenstine, Anne Marie, Ph.D. (2017, March 9). Bismuth Facts. Retrieved from https://www.thoughtco.com/bismuth-element-facts-606506 Helmenstine, Anne Marie, Ph.D. "Bismuth Facts." ThoughtCo. https://www.thoughtco.com/bismuth-element-facts-606506 (accessed April 20, 2018). copy citation Continue Reading