Sr
Strontium
Ingxenye 38 · 87.62 u
Strontium ibizwa ngokuthi ukukhiqiza imibala ebomvu ekhanyayo emidlalweni yezinganekwane kanye ne-flares.
Izici Zobuchopho
| I-Atom Mass | 87.62 u |
| Ubukhulu | 2.64 g/cm³ |
| Izinga lokuncibilika | 1050.0 K |
| Izinga lokubopha | 1655.0 K |
| Ukubonakala | Isibhakabhaka-simhlophe esimnyama |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 0.95 (I-Pauling) |
| I-Ionization Energy | 549.5 kJ/mol |
| I-electron affinity | 5.03 kJ/mol |
| I-Oxidation States | +1, +2 |
Izici ze-Atom
| I-electron | [Kr] 5s2 |
| I-Atom Radius | 215.0 pm |
| I-Covalent Radius | 195.0 pm |
| I-Van der Waals Radius | 249.0 pm |
Ukuqapha
| Itholakele ngu | Adair Crawford |
| Unyaka wokuqamba | 1790 |
| Indawo | i-Edinburgh, i-Scotland |
| Ibizwa nge | Strontian, ingadi eScotland |
Malunga Strontium
Strontium iyinsimbi eqinile, emhlophe emhlophe eshintsha iluhlaza okwesibhakabhaka emkhathini. Izithako zayo zibulala i-crimson. I-radioactive isotope strontium-90 iyingxenye engozini ye-nuclear fallout.
Izisebenziso
Izinhlamvu zesibhakabhaka nezibhakabhaka (umbala obomvu), ama-ferrite magnets, iglasi le-CRT, i-toothpaste yezinyoni ezizizwayo, kanye nokwelashwa kwe-cancer yamathambo.
Iqiniso elijabulisayo
Strontium-90 kuyinto eyodwa engozini kakhulu nuclear ehlanganiswayo ngoba ifana calcium futhi ithathwa ngaphakathi amathambo.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 84 | 0.0056% | - | Yebo |
| 86 | 0.0986% | - | Yebo |
| 87 | 0.07% | - | Yebo |
| 88 | 0.8258% | - | Yebo |
I-electron
[Kr] 5s2