Statements (35)
| 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:cooling_system |
11.8 W/(m· K)
|
| gptkbp:discovered_by |
gptkb:Paul_Émile_Lecoq_de_Boisbaudran
|
| gptkbp:dissolved |
insoluble
|
| gptkbp:ecological_role |
none known
|
| gptkbp:electronegativity |
1.17 (Pauling scale)
|
| https://www.w3.org/2000/01/rdf-schema#label |
samarium
|
| gptkbp:isotopes |
gptkb:Sm-144
62 |
| gptkbp:material |
gptkb:samarium-cobalt
|
| gptkbp:melting_point |
1072 ° C
1794 ° C |
| gptkbp:occurs_in |
rare earth minerals
|
| gptkbp:population |
7.52 g/cm³
|
| gptkbp:products |
samarium chloride
samarium fluoride samarium nitrate samarium oxide samarium sulfide |
| gptkbp:safety_features |
non-toxic
|
| gptkbp:social_structure |
hexagonal
+2, +3 |
| gptkbp:species |
0.0007%
|
| gptkbp:symbol |
Sm
|
| gptkbp:uses |
catalysts
nuclear reactors magnets phosphors |
| gptkbp:water_resistance |
0.0000012 Ω·m
|
| gptkbp:year_created |
1853
|