Cs
Cesium
Chikamu 55 · 132.91 u
Cesium ndiyo electropositive element inonyanya kugadzikana uye inotsanangura mwedzi munguva yeatom.
Maitiro ekushandisa
| Atomic radius: | 132.91 u |
| Kuomarara | 1.873 g/cm³ |
| Kutonhora Point | 301.59 K |
| Kutonhora Point | 944.0 K |
| Kuoneka | Silvery gold metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 0.79 (Pauling) |
| 1st Ionization Energy | 375.7 kJ/mol |
| Electronegativity: | 45.5 kJ/mol |
| Oxygen | +1 |
Atomic Properties
| Kuisa Kugadzirisa | [Xe] 6s1 |
| Atomic radius: | 265.0 pm |
| Covalent Radius | 244.0 pm |
| Van der Waals radius | 343.0 pm |
Discovery
| Yakawanikwa ne | Robert Bunsen, Gustav Kirchhoff |
| Kuonekwa kwegore | 1860 |
| _Panzvimbo: | Heidelberg, Germany |
| Akapihwa zita mushure me | Latin 'caesius' zvinoreva mhepo blu, kubva kune yayo spectral mitsara |
Nezve Cesium
Cesium (Cs) inonziwo cesium-133, inonziwo cesium-133b, cesium-133c, cesium-133d, cesium-133e, cesium-133f, cesium-133g, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h, cesium-133h.
Mashandisiro & Maapplication
Atomic mabhureki, drilling fluids, photoelectric cells, uye radiation therapy.
Nhoroondo yemitambo
Mufananidzo wekutanga wesekondi wakanyorwa muna 1776 naJohn Dalton, uyo akataura kuti imwe sekondi inoratidza 9,192,631,770 oscillations yecesium-133 atom.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 133 | 1.0% | - | _Ndiani |
Kuisa Kugadzirisa
[Xe] 6s1