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Actinium
Zosankha 89 · 227.02775 u
Actinium ndi dzina la actinide series ndi kuwala blue mu nyengo yozizira.
Zochita za Fiziki
| Mafuta | 227.02775 u |
| Kuwala | 10.07 g/cm³ |
| Kutentha | 1323.0 K |
| Kutentha | 3471.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 1.1 (Pauling) |
| 1st Ionization Energy | 499.0 kJ/mol |
| Electron Affinity | 33.77 kJ/mol |
| Oxygen | +2, +3 |
Zosankha
| Kusintha kwa ma electron | [Rn] 6d1 7s2 |
| Atomic radius | 195.0 pm |
| Kuwala kwa Van der Waals | 260.0 pm |
Kupeza
| Kupezeka ndi | Friedrich Oskar Giesel, Andre-Louis Debierne |
| Kuzindikira chaka | 1899 |
| Malo | Paris, France |
| Analimbikitsidwa ndi | Chigiriki 'aktis' chimatanthauza mpweya kapena mpweya wowala |
Za ine Actinium
Actinium ndi wolimba, silvery-white radioactive metal yomwe imawala buluu chifukwa cha radioactivity yake yolimba ionizing the surrounding air.Actinium-225 ikufufuzidwa kwa kupewa kwa alpha kulimbana ndi khansa.
Kugwiritsa ntchito & Maphunziro
Mafuta a neutron, kafukufuku wa khansa (actinium-225), ndi ma generators a thermoelectric.
Fun Facts
Actinium ndi radioactive choncho imawoneka yofiira m'chithunzi cha ionizing cha mpweya wozungulira.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 225 | - | 10.0 days | Si |
| 227 | - | 21.772 years | Si |
Kusintha kwa ma electron
[Rn] 6d1 7s2