Eu
Europium ndiyo inonyanya kuchinja-chinja zvinhu zvenyika dzakadai sezvimwe zvinhu zvesimbi, uye inoshandiswa se phosphor inopenya muzviratidziro.
Maitiro ekushandisa
| Atomic radius: | 151.96 u |
| Kuomarara | 5.243 g/cm³ |
| Kutonhora Point | 1099.0 K |
| Kutonhora Point | 1802.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.2 (Pauling) |
| 1st Ionization Energy | 547.1 kJ/mol |
| Electronegativity: | 11.2 kJ/mol |
| Oxygen | +2, +3 |
Atomic Properties
| Kuisa Kugadzirisa | [Xe] 4f7 6s2 |
| Atomic radius: | 180.0 pm |
| Covalent Radius | 198.0 pm |
| Van der Waals radius | 233.0 pm |
Discovery
| Yakawanikwa ne | Eugene-Anatole Demarcay |
| Kuonekwa kwegore | 1901 |
| _Panzvimbo: | Paris, France |
| Akapihwa zita mushure me | Chikamu chenyika yeEurope |
Nezve Europium
Europium ndeimwe yezvinyorwa zvepasi zvinonetsa, uye inonyanya kuomarara pakati pezvinyorwa zvepasi zvinonetsa. Iri nemhando ye fluorescent, uye inowanzoshandiswa sechiratidzo chezvigadzirwa zvemagetsi.
Mashandisiro & Maapplication
Red phosphors yezviratidziro, euro banknote anti-kupararira marks, uye nuclear reactor control rods.
Nhoroondo yemitambo
Europium compounds inobuda nechiedza chekutema pasi peUV mwangaro uye inoshandiswa seyakavharwa-yekuuraya mabhajeti emadhora.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 151 | 0.4781% | - | _Ndiani |
| 153 | 0.5219% | - | _Ndiani |
Kuisa Kugadzirisa
[Xe] 4f7 6s2