Sr
Strontium
Izinto 38 · 87.62 u
I-strontium iyaziwayo ngokuvelisa imibala ebomvu ekhanyayo kwizinto eziqhutywa ngamandla kunye neebhombu.
Iimpawu Zobuchopho
| Ii-atom | 87.62 u |
| Uxinano | 2.64 g/cm³ |
| Incopho yokubila: | 1050.0 K |
| Incopho yokubila: | 1655.0 K |
| Ukubonakala | I-silvery-white yellowish metallic |
| I-State at Room Temp | I-Solid |
Iimpawu zekhemikhali
| Electronegativity | 0.95 (I-Polygon) |
| I-Ionization Energy | 549.5 kJ/mol |
| Electronegativity: | 5.03 kJ/mol |
| Iindawo zokuthambisa | +1, +2 |
Iimpahla zephetshana elichazayo:
| Uqwalaselo lwe Electron | [Kr] 5s2 |
| Atomic radius: | 215.0 pm |
| I-Covalent Radius | 195.0 pm |
| I-Van der Waals Radius | 249.0 pm |
Ukufumana kwakhona
| Ifunyenwe Ngu | Adair Crawford |
| Unyaka Wophando | 1790 |
| Indawo | Edinburgh, Scotland |
| Igama Elilandelayo | Strontian, intaba eScotland |
I-About Strontium
I-strontium yintsimbi ethambileyo, emhlophe emhlophe ejikeleza iluhlaza okwesibhakabhaka emanzini. Ii-compounds zayo zitshisa i-crimson. I-radioactive isotope strontium-90 yinxalenye engozini ye-nuclear fallout.
Iinkqubo
Iibhokhwe kunye neebhokhwe ezibomvu, i-ferrite magnets, iglasi ye-CRT, i-toothpaste yeentloko ezixhaphakileyo, kunye nonyango lwesifo somhlaza wethambo.
Inyathelo 1:
Strontium-90 yenye yezinto ezibangelwa kakhulu kukufa kwe-nuclear ngenxa yokuba ifana ne-calcium kwaye iqhutywa kumathambo.
I-Isotopes
| Inani le-Mass | Uninzi | Ixesha eliphakathi | Iqinile |
| 84 | 0.0056% | - | Ewe |
| 86 | 0.0986% | - | Ewe |
| 87 | 0.07% | - | Ewe |
| 88 | 0.8258% | - | Ewe |
Uqwalaselo lwe Electron
[Kr] 5s2