Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
black-brown
|
| gptkbp:atomicNumber |
5
|
| gptkbp:boilingPoint |
4200 K
|
| gptkbp:CASNumber |
7440-42-8
|
| gptkbp:category |
metalloid
|
| gptkbp:density |
2.34 g/cm³
|
| gptkbp:discoveredBy |
gptkb:Humphry_Davy
gptkb:Joseph_Louis_Gay-Lussac gptkb:Louis_Jacques_Thénard |
| gptkbp:discoveredIn |
1808
|
| gptkbp:electronegativity |
2.04
|
| https://www.w3.org/2000/01/rdf-schema#label |
Bôr
|
| gptkbp:isotopes |
10B
11B |
| gptkbp:locatedIn |
gptkb:chemical_compound
|
| gptkbp:meltingPoint |
2349 K
|
| gptkbp:nameOrigin |
Arabic 'buraq' (borax)
|
| gptkbp:oxidationStates |
+3
|
| gptkbp:period |
2
|
| gptkbp:relatedGroup |
13
|
| gptkbp:standardState |
gptkb:stone
|
| gptkbp:symbol |
B
|
| gptkbp:uses |
gptkb:glass
semiconductors detergents neutron absorber in nuclear reactors |
| gptkbp:bfsParent |
gptkb:Bissau_Region
|
| gptkbp:bfsLayer |
6
|