Cobalt

GPTKB entity

Statements (66)
Predicate Object
gptkbp:instanceOf gptkb:chemical_compound
gptkbp:alloyWith iron
nickel
molybdenum
tungsten
chromium
gptkbp:appearance hard, lustrous, silver-gray metal
gptkbp:atomicNumber 27
gptkbp:atomicWeight 58.933
gptkbp:block d-block
gptkbp:boilingPoint 2927°C
gptkbp:CASNumber 7440-48-4
gptkbp:category transition metal
gptkbp:crystalSystem hexagonal close-packed
gptkbp:density 8.90 g/cm³
gptkbp:discoveredBy gptkb:Georg_Brandt
gptkbp:discoveredIn 1735
gptkbp:electronConfiguration [Ar] 3d7 4s2
gptkbp:electronegativity 1.88
gptkbp:foundIn Earth's crust
https://www.w3.org/2000/01/rdf-schema#label Cobalt
gptkbp:isotopes gptkb:Co-59
gptkb:Co-60
gptkbp:magnetType ferromagnetic
gptkbp:mainProducer gptkb:Australia
gptkb:Democratic_Republic_of_the_Congo
gptkb:Russia
gptkbp:meltingPoint 1495°C
gptkbp:molarHeatCapacity 24.81 J/(mol·K)
gptkbp:namedAfter German word 'Kobold'
gptkbp:oxidationStates +2
+3
gptkbp:period 4
gptkbp:pigmentColor blue
gptkbp:radioactive gptkb:Co-60
gptkbp:radioactiveIsotopeUse radiotherapy
sterilization
industrial radiography
gptkbp:relatedGroup 9
gptkbp:requires vitamin B12
gptkbp:symbol Co
gptkbp:thermalConductivity 100 W/(m·K)
gptkbp:toxicity toxic in large amounts
gptkbp:usedIn gptkb:ceramics
gptkb:glass
gptkb:painting
jet engines
prosthetics
rechargeable batteries
cutting tools
electroplating
superalloys
dental alloys
magnetic recording media
gptkbp:uses radioactive tracers
batteries
catalysts
pigments
alloys
magnets
gptkbp:bfsParent gptkb:Mission:_Impossible
gptkb:Mojang
gptkb:Northern_Ontario
gptkb:OpenDaylight
gptkb:Astro_Boy
gptkbp:bfsLayer 5