Rb
Rubidium
Chikamu 37 · 85.468 u
Rubidium isimbi ine simba kwazvo uye inopisa, iyo inopisa mumhepo.
Maitiro ekushandisa
| Atomic radius: | 85.468 u |
| Kuomarara | 1.532 g/cm³ |
| Kutonhora Point | 312.46 K |
| Kutonhora Point | 961.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 0.82 (Pauling) |
| 1st Ionization Energy | 403.0 kJ/mol |
| Electronegativity: | 46.9 kJ/mol |
| Oxygen | +1 |
Atomic Properties
| Kuisa Kugadzirisa | [Kr] 5s1 |
| Atomic radius: | 248.0 pm |
| Covalent Radius | 220.0 pm |
| Van der Waals radius | 303.0 pm |
Discovery
| Yakawanikwa ne | Robert Bunsen, Gustav Kirchhoff |
| Kuonekwa kwegore | 1861 |
| _Panzvimbo: | Heidelberg, Germany |
| Akapihwa zita mushure me | Latin 'rubidus' zvinoreva deep red, kubva kune yake yakajeka red spectral lines |
Nezve Rubidium
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Mashandisiro & Maapplication
Atomic maawa, specialty girazi, fireworks (purple color), photocells, uye mishonga yekurapa.
Nhoroondo yemitambo
Rubidium atomic clocks ndezvechokwadi kuti havazorasikirwa nenguva mumakore makumi manomwe nemazana ezviuru.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 85 | 0.7217% | - | _Ndiani |
| 87 | 0.2783% | 49.23 billion years | Hapana |
Kuisa Kugadzirisa
[Kr] 5s1