Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Mendeleev's_Periodic_Table
gptkb:Philae's_APXS |
| gptkbp:category |
lanthanide
|
| gptkbp:color |
silvery-white
|
| gptkbp:discovered_by |
gptkb:Johan_Gadolin
|
| gptkbp:dissolved |
insoluble in water
|
| gptkbp:electronegativity |
1.27 (Pauling scale)
[ Xe] 6s² 4f¹⁴ |
| https://www.w3.org/2000/01/rdf-schema#label |
lutetium
|
| gptkbp:isotopes |
71
Lu-175 Lu-176 |
| gptkbp:mass |
174.9668 u
|
| gptkbp:melting_point |
1637 ° C
3402 ° C |
| gptkbp:occurs_in |
found in minerals like monazite
rare earth element |
| gptkbp:population |
9.857 g/cm³
|
| gptkbp:safety_features |
handle with care
|
| gptkbp:side_effect |
low toxicity
can cause skin irritation in high doses |
| gptkbp:social_structure |
+3
hexagonal close-packed |
| gptkbp:species |
0.0005%
|
| gptkbp:symbol |
Lu
|
| gptkbp:uses |
nuclear medicine
catalysts in petroleum refining phosphors in LED technology |
| gptkbp:was_a_response_to |
reacts with acids
reacts with alkalis |
| gptkbp:year_created |
1879
|