Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:block |
f-block
|
| gptkbp:category |
lanthanide
|
| gptkbp:color |
silvery-gray
|
| gptkbp:cooling_system |
16.2 W/(m· K)
|
| gptkbp:discovered_by |
gptkb:Johan_Gadolin
|
| gptkbp:electronegativity |
1.25 (Pauling scale)
|
| gptkbp:historical_period |
gptkb:6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Thulium
|
| gptkbp:isotopes |
69
Tm-169 |
| gptkbp:mass |
168.93422 u
|
| gptkbp:melting_point |
1545 ° C
1620 ° C |
| gptkbp:members |
lanthanides
|
| gptkbp:notable_conductors |
0.0017 S/m
|
| gptkbp:occurs_in |
rare earth minerals
|
| gptkbp:population |
9.54 g/cm³
|
| gptkbp:power_output |
5.1 e V
|
| gptkbp:social_structure |
+3
hexagonal close-packed |
| gptkbp:species |
0.0006%
|
| gptkbp:symbol |
Tm
|
| gptkbp:type_of |
7440-30-4
|
| gptkbp:uses |
gptkb:Photographer
lasers |
| gptkbp:year_created |
1879
|
| gptkbp:bfsParent |
gptkb:Periodic_Table_of_Elements
|
| gptkbp:bfsLayer |
6
|