Periodic table of the elements
LeadBismuthPolonium
83
Bi
Bismuth
208.98040
2
8
18
32
18
5
83
Bi
Bismuth
208.98040
2
8
18
32
18
5
General
NameBismuth
SymbolBi
Number83
Chemical seriesOther metals
Group / Period15 / 6
Blockp-block
CAS registry number7440-69-9

Bismuth is a radioactive element

Physical properties
Statesolid
Density9.78 g/cm3
Melting point544.7 K (271.5 °C, 520.7 °F)
Boiling point1837 K (1564 °C, 2847 °F)
Critical point

Atomic properties
Atomic Weight208.98040 g/mol
Crystal structurerhombohedral
Electronegativity2.02
Atomic radius160 pm
Atomic radius (calculated)143 pm
Electron configuration[Xe] 4f14 5d10 6s2 6p3
Electrons per shell2, 8, 18, 32, 18, 5
Number of protons83
Number of neutrons126

Other languages
SpanishBismuto
PortugueseBismuto
FrenchBismuth
GermanBismut
ItalianBismuto
RussianВисмут
PolishBizmut
Chinese
Arabicبزموت
TurkishBizmut
DutchBismut


Periodic table of the elements
LeadBismuthPolonium