chromium

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instance_of gptkb:chemical_compound
gptkbp:category transition metal
gptkbp:color silvery metallic
gptkbp:difficulty hard and brittle
gptkbp:discovered_by gptkb:Louis_Nicolas_Vauquelin
gptkbp:electronegativity [ Ar] 3d5 4s1
gptkbp:environmental_impact can contaminate water sources
regulated due to toxicity
https://www.w3.org/2000/01/rdf-schema#label chromium
gptkbp:isotopes gptkb:24
Cr-50
Cr-52
Cr-53
Cr-54
gptkbp:market used in photography
used in aerospace applications
used in construction materials
used in automotive industry
used in chemical industry
used in electronics industry
used in global steel market
used in leather tanning
used in pigments and dyes
used in wood preservation
gptkbp:mass 51.9961 u
gptkbp:material used in high-strength steel
used in nickel-chromium alloys
used in superalloys
gptkbp:melting_point 1907 ° C
2671 ° C
gptkbp:occurs_in found in nature primarily as chromite
gptkbp:packaging recyclable from stainless steel
gptkbp:population 7.19 g/cm³
gptkbp:produced_by produced from chromite ore
produced through reduction processes
gptkbp:products chromium chloride
chromium sulfide
chromium(III) oxide
chromium(VI) oxide
chromium nitrate
gptkbp:side_effect essential trace element
can be toxic in high doses
gptkbp:social_structure +6, +3, +2
gptkbp:symbol Cr
gptkbp:uses used as a pigment in dyes and paints
used in metal plating
used in stainless steel production
gptkbp:year_created 1797
gptkbp:bfsParent gptkb:One_A_Day
gptkbp:bfsLayer 3