Ir
Iridium waa metal ugu adag ee ka hortagga korontada iyo caddayn muhiim ah oo loogu talagalay dhimashadii dinosaur.
Eeg astaamaha
| Atomic mass | 192.22 u |
| Cidhiidhi | 22.56 g/cm³ |
| Natiijooyinka | 2719.0 K |
| Natiijooyinka | 4701.0 K |
| Muuqaalka | Madow oo fidsan oo bir ah |
| Xaaladda heerkulka qolka | Cidhiidhi |
Eegista
| Electronegativity | 2.2 (Pauling) |
| 1st Ionization | 880.0 kJ/mol |
| Istaraatiijiyad | 150.94 kJ/mol |
| Nidaamka | +1, +2, +3, +4, +5, +6 |
_Cusub:
| Nidaamka | [Xe] 4f14 5d7 6s2 |
| Awooda | 136.0 pm |
| Xaraf | 141.0 pm |
| Van der Waals | 202.0 pm |
Dib u eegista
| La Ogaaday | Smithson Tennant |
| Sannadka la helay | 1803 |
| _Meel | London, England |
| Magacaabista | Latin 'iris' macnaheedu waa qufulka, sababtoo ah cusbadaha midabka leh |
_Warbixinta Iridyum
Iridium waa aad u adag, jilicsan, silvery-caddaan ah oo bir ah oo ka hortagga acids oo dhan iyo birta la dhalaaliyay. A iridium-sarreeya darajooyinka geological adduunka oo dhan muujiyay saameynta asteroid oo sababay dhimashadii dinosaur.
Barnaamijyada
Spark plugs, crucibles u koraan crystal, iyo badda-dheer tuubada qodista.
Xaqiiqo xiiso leh
A daboolka dusha sare ee iridium in 66-milyan-sano jir ah dhagax adduunka oo dhan waxaa la xaqiijiyay in asteroid sababay dhimashadii dinosaur.
Isotoobyo
| Tirada | Tirada | Half-Life | Xasiloon |
| 191 | 0.373% | - | Haa |
| 193 | 0.627% | - | Haa |
Nidaamka
[Xe] 4f14 5d7 6s2