Statements (48)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:bfsLayer |
6
|
| gptkbp:bfsParent |
gptkb:Periodic_Table_of_Elements
|
| gptkbp:category |
lanthanide
|
| gptkbp:color |
silvery-white
|
| gptkbp:cooling_system |
11.8 W/(m· K)
|
| gptkbp:difficulty |
2.5 (Mohs scale)
|
| gptkbp:discovered_by |
gptkb:Paul_Émile_Lecoq_de_Boisbaudran
|
| gptkbp:dissolved |
soluble in acids
|
| gptkbp:ecological_role |
no known biological role
|
| gptkbp:electronegativity |
1.17 (Pauling scale)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Samarium
|
| gptkbp:isotopes |
gptkb:Sm-144
62 Sm-147 |
| gptkbp:market |
used in medical imaging
used in electronics used in glass manufacturing used in steel production used in phosphors used in lasers used in neutron capture applications used in rare earth magnets |
| gptkbp:melting_point |
1072 ° C
1794 ° C |
| gptkbp:occurs_in |
primordial
found in minerals like monazite |
| gptkbp:population |
7.52 g/cm³
|
| gptkbp:products |
samarium boride (Sm B6)
samarium carbonate (Sm2(C O3)3) samarium chloride (Sm Cl3) samarium fluoride (Sm F3) samarium hydride (Sm H2) samarium nitrate (Sm(N O3)3) samarium oxide (Sm2 O3) samarium phosphide (Sm P) samarium silicide (Sm Si2) samarium sulfide (Sm2 S3) |
| gptkbp:safety_features |
non-toxic in small amounts
can be hazardous in large quantities |
| gptkbp:social_structure |
hexagonal close-packed
+2, +3 |
| gptkbp:symbol |
Sm
|
| gptkbp:uses |
catalysts
nuclear reactors magnets |
| gptkbp:water_resistance |
0.0000012 Ω·m
|
| gptkbp:year_created |
1853
|