Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:isotope
|
| gptkbp:abundance_in_nature |
27%
|
| gptkbp:binding_energy_per_nucleon |
8.5 Me V
|
| gptkbp:color |
silvery-white
|
| gptkbp:covalent_radius |
1.59 Å
|
| gptkbp:discovered_by |
gptkb:William_E._Stephens
|
| gptkbp:discovery_year |
gptkb:1927
|
| gptkbp:dissolved |
soluble
|
| gptkbp:electronegativity |
0.82 (Pauling scale)
|
| gptkbp:electrons |
37
|
| gptkbp:financial_stability |
gptkb:true
|
| https://www.w3.org/2000/01/rdf-schema#label |
rubidium-87
|
| gptkbp:ionic_radius |
1.48 Å
|
| gptkbp:isotopes |
37
50 0.5 barns |
| gptkbp:lifespan |
48.0 billion years
|
| gptkbp:mass |
87
|
| gptkbp:melting_point |
39.3 ° C
688 ° C |
| gptkbp:members |
alkali metals
|
| gptkbp:mode |
gptkb:beta_decay
|
| gptkbp:parent |
rubidium-86
|
| gptkbp:period |
gptkb:5
|
| gptkbp:population_density |
1.532 g/cm³
|
| gptkbp:roll_rate |
3/2
|
| gptkbp:symbol |
Rb
|
| gptkbp:uses |
atomic clocks
|
| gptkbp:bfsParent |
gptkb:Bose-Einstein_condensate
gptkb:Bose-Einstein_Condensate |
| gptkbp:bfsLayer |
4
|