Ac
Actinium
Chikamu 89 · 227.02775 u
Actinium ndiyo inozivikanwa seactinide series uye inobuda nebhuruu muzuva.
Maitiro ekushandisa
| Atomic radius: | 227.02775 u |
| Kuomarara | 10.07 g/cm³ |
| Kutonhora Point | 1323.0 K |
| Kutonhora Point | 3471.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.1 (Pauling) |
| 1st Ionization Energy | 499.0 kJ/mol |
| Electronegativity: | 33.77 kJ/mol |
| Oxygen | +2, +3 |
Atomic Properties
| Kuisa Kugadzirisa | [Rn] 6d1 7s2 |
| Atomic radius: | 195.0 pm |
| Van der Waals radius | 260.0 pm |
Discovery
| Yakawanikwa ne | Friedrich Oskar Giesel, Andre-Louis Debierne |
| Kuonekwa kwegore | 1899 |
| _Panzvimbo: | Paris, France |
| Akapihwa zita mushure me | ChiGreek 'aktis' chinoreva mvura kana mhepo |
Nezve Actinium
Actinium ndiro rakapfava, silvery-white radioactive metal kuti glows bluu nekuda kwayo yakasimba radioactivity ionizing pamusoro pemhepo. Actinium-225 iri kutsvakwa kwechinangwa alpha therapy kurova katsi.
Mashandisiro & Maapplication
Neutron zviwanikwa, cancer kutsvakurudza (actinium-225), uye thermoelectric magenerators.
Nhoroondo yemitambo
Actinium isiri radioactive saka inoonekwa seyakajeka yakasviba muzuva kubva pakuionizing yekunze.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 225 | - | 10.0 days | Hapana |
| 227 | - | 21.772 years | Hapana |
Kuisa Kugadzirisa
[Rn] 6d1 7s2