Template:Infobox bismuth

Bismuth, ₈₃Bi
Bismuth
Pronunciation	/ˈbɪzməθ/ (BIZ-məth)
Appearance	lustrous brownish silver
Standard atomic weight Ar, std(Bi)	208.98040(1)
Bismuth in the periodic cairt
	leid ← bismuth → polonium
Atomic nummer (Z)	83
Group	group 15 (pnictogens)
Period	period 6
Block	p-block
Element category	Post-transeetion metal
Electron confeeguration	[Xe] 4f14 5d10 6s2 6p3
Electrons per shell	2, 8, 18, 32, 18, 5
Pheesical properties
Phase at STP	solid
Meltin pynt	544.7 K (271.5 °C, 520.7 °F)
Bylin pynt	1837 K (1564 °C, 2847 °F)
Density (near r.t.)	9.78 g/cm3
when liquid (at m.p.)	10.05 g/cm3
Heat o fusion	11.30 kJ/mol
Heat o vapourisation	179 kJ/mol
Molar heat capacity	25.52 J/(mol·K)
Atomic properties
Oxidation states	−3, −2, −1, +1, +2, +3, +4, +5 (a mildly acidic oxide)
Electronegativity	Pauling scale: 2.02
Ionisation energies	1st: 703 kJ/mol ; 2nd: 1610 kJ/mol ; 3rd: 2466 kJ/mol ; (more) ;
Atomic radius	empirical: 156 pm
Covalent radius	148±4 pm
Van der Waals radius	207 pm
	Colour lines in a spectral rangeSpectral lines o bismuth
Ither properties
Naitural occurrence	primordial
Creestal structur	rhombohedral
Speed o soond thin rod	1790 m/s (at 20 °C)
Thermal expansion	13.4 µm/(m·K) (at 25 °C)
Thermal conductivity	7.97 W/(m·K)
Electrical resistivity	1.29 µΩ·m (at 20 °C)
Magnetic orderin	diamagnetic
Magnetic susceptibility	−280.1·10−6 cm3/mol
Young's modulus	32 GPa
Shear modulus	12 GPa
Bulk modulus	31 GPa
Poisson ratio	0.33
Mohs haurdness	2.25
Brinell haurdness	70–95 MPa
CAS Nummer	7440-69-9
History
Diskivery	Claude François Geoffroy (1753)
Main isotopes o bismuth
α	206Tl
α	206Tl
	view; talk; edit; \| references

style="text-align:left"\| data m.p. cat v
	in	calc from C	diff	report	ref
C	271.5	—	—
K	544.7	544.6	0.1	delta
F	520.7	520.7	0
WD
input	C: 271.5, K: 544.7, F: 520.7
comment

style="text-align:left"\| data b.p. cat v
	in	calc from C	diff	report	ref
C	1564	—	—
K	1837	1837	0
F	2847	2847	0
WD
input	C: 1564, K: 1837, F: 2847
comment

PTBismuth

Pb ←	^iso ₈₃Bi E infobox E isobox	→ Po
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References

↑ Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
↑ Cucka, P.; Barrett, C. S. (1962). "The crystal structure of Bi and of solid solutions of Pb, Sn, Sb and Te in Bi". Acta Crystallographica. 15 (9): 865. doi:10.1107/S0365110X62002297.
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

[CIAAW2013-1] Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.

[str-2] Cucka, P.; Barrett, C. S. (1962). "The crystal structure of Bi and of solid solutions of Pb, Sn, Sb and Te in Bi". Acta Crystallographica. 15 (9): 865. doi:10.1107/S0365110X62002297.

[3] Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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