Ce
Cerium ndiyo inonyanya kuwanikwa yepasi pevhu, inoshandiswa mucatalytic converters uye mukugadzira girazi.
Maitiro ekushandisa
| Atomic radius: | 140.12 u |
| Kuomarara | 6.77 g/cm³ |
| Kutonhora Point | 1068.0 K |
| Kutonhora Point | 3716.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.12 (Pauling) |
| 1st Ionization Energy | 534.4 kJ/mol |
| Electronegativity: | 55.0 kJ/mol |
| Oxygen | +3, +4 |
Atomic Properties
| Kuisa Kugadzirisa | [Xe] 4f1 5d1 6s2 |
| Atomic radius: | 181.0 pm |
| Covalent Radius | 204.0 pm |
| Van der Waals radius | 235.0 pm |
Discovery
| Yakawanikwa ne | Jons Jacob Berzelius, Wilhelm Hisinger |
| Kuonekwa kwegore | 1803 |
| _Panzvimbo: | Stockholm, Sweden |
| Akapihwa zita mushure me | Inozivikanwa nezita rekuti Ceres |
Nezve Cerium
Cerium isimbi yakaoma, ine kusimba kwakafanana nekwesimbi. Inogona kuchinja pakati pezvimiro zveoxidation +3 ne +4. Cerium oxide inonyanya kushandiswa secatalyst.
Mashandisiro & Maapplication
Catalytic converters, girazi polishing, self-kuchenesa oveni, lighter flint, uye UV-absorbing girazi.
Nhoroondo yemitambo
Nekudaro, zvichinzi 'nyika yakakura,' cerium inopfuura zvakanyanya mu Earth's crust kupfuura copper, lead, kana tin.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 136 | 0.00185% | - | _Ndiani |
| 138 | 0.00251% | - | _Ndiani |
| 140 | 0.8845% | - | _Ndiani |
| 142 | 0.11114% | - | _Ndiani |
Kuisa Kugadzirisa
[Xe] 4f1 5d1 6s2