Ir
Isi-Iridium
Ingxenye 77 · 192.22 u
I-iridium iyinsimbi emelana kakhulu nokubola futhi yanikeza isiqiniseko esibalulekile sokufa kwe-dinosaur.
Izici Zobuchopho
| I-Atom Mass | 192.22 u |
| Ubukhulu | 22.56 g/cm³ |
| Izinga lokuncibilika | 2719.0 K |
| Izinga lokubopha | 4701.0 K |
| Ukubonakala | Isibhakabhaka-simhlophe esimnyama |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 2.2 (I-Pauling) |
| I-Ionization Energy | 880.0 kJ/mol |
| I-electron affinity | 150.94 kJ/mol |
| I-Oxidation States | +1, +2, +3, +4, +5, +6 |
Izici ze-Atom
| I-electron | [Xe] 4f14 5d7 6s2 |
| I-Atom Radius | 136.0 pm |
| I-Covalent Radius | 141.0 pm |
| I-Van der Waals Radius | 202.0 pm |
Ukuqapha
| Itholakele ngu | Smithson Tennant |
| Unyaka wokuqamba | 1803 |
| Indawo | i-London, i-England |
| Ibizwa nge | isiLatin 'iris' isho i-rainbow, ngenxa yama-salts ayo amibalabala |
Malunga Isi-Iridium
I-Iridiyum iyinsimbi eqinile kakhulu, eqinile, emhlophe emhlophe emelana nanoma yiziphi izithako eziqinile nezinsimbi ezixutshwe. I-iridium-enamandla engxenyeni ye-geological ehlabathini lonke ikhombisa ukungqubuzana kwe-asteroid okwenze kwaba nokulahleka kwe-dinosaur.
Izisebenziso
Izintambo zokubopha, ama-croquetes wokukhula kwe-crystal, kanye nepayipi lokubopha eduze kolwandle.
Iqiniso elijabulisayo
I-iridium encane engxenyeni ye-66-million-year-old rock emhlabeni wonke ikhombisa ukuthi i-asteroid yabangela ukulahleka kwe-dinosaur.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 191 | 0.373% | - | Yebo |
| 193 | 0.627% | - | Yebo |
I-electron
[Xe] 4f14 5d7 6s2