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
|