Statements (35)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:chemical_compound
|
gptkbp:appearance |
gray metallic
|
gptkbp:atomicNumber |
41
|
gptkbp:block |
d-block
|
gptkbp:boilingPoint |
5017 K
|
gptkbp:CASNumber |
7440-03-1
|
gptkbp:category |
transition metal
|
gptkbp:crystalSystem |
body-centered cubic
|
gptkbp:density |
8.57 g/cm3
|
gptkbp:discoveredBy |
gptkb:Charles_Hatchett
|
gptkbp:discoveredIn |
1801
|
gptkbp:electronegativity |
1.6
|
https://www.w3.org/2000/01/rdf-schema#label |
Nb
|
gptkbp:isotopes |
gptkb:Nb-93
Nb-92 Nb-94 Nb-95 Nb-91 |
gptkbp:locatedIn |
gptkb:chemical_compound
|
gptkbp:meltingPoint |
2750 K
|
gptkbp:namedAfter |
gptkb:Niobe
|
gptkbp:oxidationStates |
+1
+2 +3 +5 +4 |
gptkbp:period |
5
|
gptkbp:relatedGroup |
5
|
gptkbp:standardState |
gptkb:stone
|
gptkbp:symbol |
gptkb:niobium
|
gptkbp:uses |
electronics
superconducting magnets steel alloys |
gptkbp:bfsParent |
gptkb:niobium
|
gptkbp:bfsLayer |
7
|