Os
Osmium waa ugu cufnaanta dabiiciga ah ee ka dhaca qaybta at 22.587 g / cm3.
Eeg astaamaha
| Atomic mass | 190.23 u |
| Cidhiidhi | 22.587 g/cm³ |
| Natiijooyinka | 3306.0 K |
| Natiijooyinka | 5285.0 K |
| Muuqaalka | Silvery, buluug ku shubtay metallic |
| Xaaladda heerkulka qolka | Cidhiidhi |
Eegista
| Electronegativity | 2.2 (Pauling) |
| 1st Ionization | 840.0 kJ/mol |
| Istaraatiijiyad | 103.99 kJ/mol |
| Nidaamka | +2, +3, +4, +6, +8 |
_Cusub:
| Nidaamka | [Xe] 4f14 5d6 6s2 |
| Awooda | 135.0 pm |
| Xaraf | 144.0 pm |
| Van der Waals | 216.0 pm |
Dib u eegista
| La Ogaaday | Smithson Tennant |
| Sannadka la helay | 1803 |
| _Meel | London, England |
| Magacaabista | Giriigga 'osme' macnaheedu waa booqashada, kaas oo ka yimid osmium tetroxide pungent |
_Warbixinta Osmium
Osmium waa adag, jilicsan, buluug-caddaan ah birta. Osmium tetroxide waa aad u cayayaanka leh dhadhan xoog leh. Birta waa aad u adag oo ka hortagga korontada.
Barnaamijyada
Qalabka qalinka, xiriirada korontada, qalabka pivots, iyo catalyst (osmium tetroxide).
Xaqiiqo xiiso leh
Osmium waa qaybta ugu cufnaanta, ku saabsan laba jeer ka cufnaanta sida lead. A mitir cubic miisaanka ka badan 1,400 rodol.
Isotoobyo
| Tirada | Tirada | Half-Life | Xasiloon |
| 189 | 0.1615% | - | Haa |
| 190 | 0.2626% | - | Haa |
| 192 | 0.4078% | - | Haa |
Nidaamka
[Xe] 4f14 5d6 6s2