Rn
Radon
Qaybta 86 · 222.01758 u
Radon waa gaas radioactive sharaf leh iyo sababta labaad ee ugu weyn ee kansarka wadnaha ka dib sigaar cabista.
Eeg astaamaha
| Atomic mass | 222.01758 u |
| Cidhiidhi | 0.00973 g/cm³ |
| Natiijooyinka | 202.0 K |
| Natiijooyinka | 211.3 K |
| Muuqaalka | Gaas aan midab lahayn |
| Xaaladda heerkulka qolka | Gaas |
Eegista
| Electronegativity | 2.2 (Pauling) |
| 1st Ionization | 1037.0 kJ/mol |
| Istaraatiijiyad | -68.0 kJ/mol |
| Nidaamka | +2, +6 |
_Cusub:
| Nidaamka | [Xe] 4f14 5d10 6s2 6p6 |
| Awooda | 150.0 pm |
| Xaraf | 150.0 pm |
| Van der Waals | 220.0 pm |
Dib u eegista
| La Ogaaday | Friedrich Ernst Dorn |
| Sannadka la helay | 1900 |
| _Meel | Halle, Jarmalka |
| Magacaabista | Magacaabista ka dib radium, kaas oo laga soo saaray |
_Warbixinta Radon
Radon waa mid aan midab lahayn, odorless radioactive gaas ka kooban yahay radium burburka. Waa gaaska ugu badan ee la yaqaan. Radon siibta dhulka iyo ku urursada subterranean, sababay boqolaal dhimashada kansarka wadnaha sanad kasta.
Barnaamijyada
Radon tijaabada dhismayaasha, dhulgariir saadaalinta cilmi baarista, iyo cilmi baarista hydrology.
Xaqiiqo xiiso leh
Radon waa sababta labaad ee ugu weyn ee kansarka wadnaha ka dib sigaar cabista, weli waa waxba ma aha oo aan la arki karin. EPA ku talinayaa baaritaanka guryaha oo dhan.
Isotoobyo
| Tirada | Tirada | Half-Life | Xasiloon |
| 211 | - | 14.6 hours | Ha |
| 220 | - | 55.6 seconds | Ha |
| 222 | - | 3.8235 days | Ha |
Nidaamka
[Xe] 4f14 5d10 6s2 6p6