Statements (58)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:accessories |
Limited sources
|
| gptkbp:application |
Capacitors
Medical devices Pharmaceuticals Resistors Semiconductors Aerospace components Nuclear reactors Gas turbines Surgical instruments Superalloys Heat exchangers High-temperature applications Vacuum systems Optical devices Electrical contacts Thermal barrier coatings High-performance alloys Chemical processing equipment Chemical reactors Corrosion-resistant equipment Electrolytic capacitors Electronics packaging |
| gptkbp:bioavailability |
gptkb:High
|
| gptkbp:category |
Transition metal
|
| gptkbp:color |
Gray
|
| gptkbp:cooling_system |
57.5 W/(m· K)
|
| gptkbp:difficulty |
6.5 on Mohs scale
|
| gptkbp:discovered_by |
gptkb:Anders_Gustav_Ekeberg
|
| gptkbp:discovery_year |
1802
|
| gptkbp:dissolved |
Insoluble in water
|
| gptkbp:environmental_impact |
Mining concerns
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tantalum
|
| gptkbp:isotopes |
gptkb:Tantalum-181
73 |
| gptkbp:market |
High demand
|
| gptkbp:material |
gptkb:Tantalum-Hafnium
gptkb:Tantalum-Niobium gptkb:Tantalum-Tungsten |
| gptkbp:melting_point |
3017 ° C
5458 ° C |
| gptkbp:mining_locations |
Coltan
Tantalite |
| gptkbp:notable_conductors |
Good
|
| gptkbp:occurs_in |
Rare in nature
|
| gptkbp:oxidation_states |
+5
+4 |
| gptkbp:population_density |
16.654 g/cm³
|
| gptkbp:price |
Volatile
|
| gptkbp:safety |
Non-toxic
|
| gptkbp:symbol |
Ta
|
| gptkbp:uses |
Aerospace
Electronics Medical implants |
| gptkbp:was_a_response_to |
gptkb:Low
|
| gptkbp:bfsParent |
gptkb:Tigray
|
| gptkbp:bfsLayer |
5
|