Actinium
Izinto 89 · 227.02775 u
I-Actinium yigama elifanayo le-actinide series kwaye ikhanya ngombala obomvu emnyama.
Iimpawu Zobuchopho
| Ii-atom | 227.02775 u |
| Uxinano | 10.07 g/cm³ |
| Incopho yokubila: | 1323.0 K |
| Incopho yokubila: | 3471.0 K |
| Ukubonakala | I-silvery-white metallic |
| I-State at Room Temp | I-Solid |
Iimpawu zekhemikhali
| Electronegativity | 1.1 (I-Polygon) |
| I-Ionization Energy | 499.0 kJ/mol |
| Electronegativity: | 33.77 kJ/mol |
| Iindawo zokuthambisa | +2, +3 |
Iimpahla zephetshana elichazayo:
| Uqwalaselo lwe Electron | [Rn] 6d1 7s2 |
| Atomic radius: | 195.0 pm |
| I-Van der Waals Radius | 260.0 pm |
Ukufumana kwakhona
| Ifunyenwe Ngu | Friedrich Oskar Giesel, Andre-Louis Debierne |
| Unyaka Wophando | 1899 |
| Indawo | Paris, France |
| Igama Elilandelayo | IsiGrike 'aktis' kuthetha umbhobho okanye umbhobho |
I-About Actinium
I-Actinium yintsimbi ethambileyo, emhlophe emnyama esebenza nge-radiation ekhanyayo eluhlaza ngenxa yokusebenza kwayo okunamandla kwe-radiation eyenza ukuba umoya ojikelezayo usebenze nge-ionization. I-Actinium-225 ifunyanwa njengendlela yonyango olujolise kwi-alpha echaphazela umhlaza.
Iinkqubo
Iindawo zokuqala ze-neutron, ukukhangela isifo sesifo sesifo sesifo sesifo (i-actinium-225), kunye nezixhobo zokuvelisa amandla ashushu.
Inyathelo 1:
I-Actinium isebenza kakhulu nge-radioactive kwaye ikhanya ngokubonakalayo ngombala obomvu emnyama ngenxa yokudibanisa i-ionization kumoya ojikelezayo.
I-Isotopes
| Inani le-Mass | Uninzi | Ixesha eliphakathi | Iqinile |
| 225 | - | 10.0 days | Akukho nanye |
| 227 | - | 21.772 years | Akukho nanye |
Uqwalaselo lwe Electron
[Rn] 6d1 7s2