Electronic data		Thermal data		Steric data
Shells: 2,8,18,32,18,5 Orbitals: [Xe] 4f14 5d10 6s2 6p3 Electronegativity: 1.7, 1.9 1. Ionization potential: 7.289 eV 2. Ionization potential: 16.687 eV 3. Ionization potential: 25.559 eV Oxidation states: 5,3 Electrical conductivity: 0.00867 10^6		Melting point: 271.3 °C Boiling point: 1560 °C ±5 Specific heat: 0.12 J/gK Heat of fusion: 11.30 kJ/mol Heat of vaporization: 104.80 kJ/mol Thermal conductivity: 0.0787 W/cmK		Atomic radius: 1.63 Å Ionic radius: 1.03 Å () Covalent radius: 1.46 Å Atomic volume: 21.3 cm³/mol Density (293 K): 9.8 g/cm³ Crystal structure: Rhombohedral

Nuclide	Abundance [%]	Mass	Spin	Halflife	Decay mode	Decay tree
204Bi	0	204	6	11.2h	EC	View
205Bi	0	205	9/2	15.31d	EC,+	View
206Bi	0	206	6	6.243d	EC,+	View
207Bi	0	207	9/2	32.2y	EC,+	View
208Bi	0	208	5/2	3.68E05y	EC	View
209Bi	100	208.98	9/2	--	stable	--
210Bi	0	210	1	5.01d	-,	View
210Bim	0	210	9	3.0E06y		View
211Bi	0	211.987	9/2	2.14m	,-	View
212Bi	0	212.997	0	1.009h	-,	View
213Bi	0	213	9/2	45.6m	-,	View
214Bi	0	214	1	19.9m	-,	View
215Bi	0	215	0	7m	-	View

Legend

Name origin:	German: bisemutum, (white mass), Now spelled wismut.
Description:	Hard, brittle, steel-gray metal with a pink tint.
Discovered by:	Known to the ancients
Year:	--
Place:	Unknown
Sources:	It can be found free in nature and in minerals like bismuthine (Bi2O3) and in bismuth ochre (Bi2O3).
Use(s):	Main use is in pharmaceuticals and low melting point alloys used as fuses.