|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:allotropes
|
alpha-iron
delta-iron
gamma-iron
|
|
gptkbp:appearance
|
lustrous metallic with a grayish tinge
|
|
gptkbp:atomicNumber
|
26
|
|
gptkbp:atomicWeight
|
55.845
|
|
gptkbp:block
|
d-block
|
|
gptkbp:boilingPoint
|
2862°C
|
|
gptkbp:CASNumber
|
7439-89-6
|
|
gptkbp:category
|
transition metal
|
|
gptkbp:corrosion
|
forms rust in presence of oxygen and water
|
|
gptkbp:crystalSystem
|
body-centered cubic
|
|
gptkbp:density
|
7.874 g/cm³
|
|
gptkbp:discoveredBy
|
unknown
|
|
gptkbp:electronConfiguration
|
[Ar] 3d6 4s2
|
|
gptkbp:electronegativity
|
1.83
|
|
gptkbp:foundIn
|
Earth's crust
|
|
gptkbp:hasResource
|
gptkb:goethite
gptkb:siderite
magnetite
hematite
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Fe
|
|
gptkbp:isotopes
|
Fe-54
Fe-56
Fe-57
Fe-58
|
|
gptkbp:magnetType
|
yes
|
|
gptkbp:majorCity
|
gptkb:Australia
gptkb:Brazil
gptkb:China
|
|
gptkbp:meltingPoint
|
1538°C
|
|
gptkbp:namedAfter
|
Latin ferrum
|
|
gptkbp:oxidationStates
|
+2
+3
|
|
gptkbp:period
|
4
|
|
gptkbp:radioactive
|
Fe-59
Fe-60
|
|
gptkbp:relatedGroup
|
8
|
|
gptkbp:requires
|
biological processes
|
|
gptkbp:reusable
|
yes
|
|
gptkbp:roleInBiology
|
enzyme cofactor
component of hemoglobin
component of myoglobin
|
|
gptkbp:scientificName
|
ferrum
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
iron
|
|
gptkbp:uses
|
manufacturing
steel production
construction
|
|
gptkbp:bfsParent
|
gptkb:programming_language
|
|
gptkbp:bfsLayer
|
4
|