Periodic table of the elements
ManganeseIronCobalt
26
Fe
Iron
55.845
2
8
14
2
26
Fe
Iron
55.845
2
8
14
2
General
NameIron
SymbolFe
Number26
Chemical seriesTransition elements
Group / Period8 / 4
Blockd-block
CAS registry number7439-89-6

Physical properties
Statesolid
Density7.874 g/cm3
Melting point1811 K (1538°C, 2800°F)
Boiling point3134 K (2861°C, 5182°F)
Critical point

Atomic properties
Atomic Weight55.845 g/mol
Crystal structurecubic body centered
Electronegativity1.83
Atomic radius140 pm
Atomic radius (calculated)156 pm
Electron configuration[Ar] 3d6 4s2
Electrons per shell2, 8, 14, 2
Number of protons26
Number of neutrons30

Other languages
SpanishHierro
PortugueseFerro
FrenchFer
GermanEisen
ItalianFerro
RussianЖелезо
PolishŻelazo
Chinese
Arabicحديد
TurkishDemir
DutchIJzer


Periodic table of the elements
ManganeseIronCobalt