| İzotop | Kütlesi | Yarı ömrü | Bozunma Şekli | Dönüştüğü İzotop | Nükleer
Spin |
| 198Rn | 197,999 | 0,003 sn. | 194Po | 0+ | |
| e- yakalama | 198At | ||||
| 199Rn | 198,998 | 0,064 sn. | 195Po | 3/2- | |
| e- yakalama | 199At | ||||
| 200Rn | 199,996 | 0,065 sn. | 196Po | 0+ | |
| e- yakalama | 200At | ||||
| 201Rn | 200,996 | 2,74 dk. | 197Po | 3/2- | |
| e- yakalama | 201At | ||||
| 202Rn | 201,993 | 7 sn. | 198Po |
0+ |
|
| e- yakalama | 202At | ||||
| 203Rn | 202,993 | 45 sn. | 199Po | 5/2- | |
| e- yakalama | 203At | ||||
| 204Rn | 203,991 | 1,24 dk. | 200Po |
0+ |
|
| e- yakalama | 204At | ||||
| 205Rn | 204,992 | 2,8 dk. | e- yakalama | 205At | 5/2- |
| 201Po | |||||
| 206Rn | 205,99 | 5,67 dk. | 202Po | 0+ | |
| e- yakalama | 206At | ||||
| 207Rn | 206,9907 | 9,25 dk. | e- yakalama | 207At | 5/2- |
| 203Po | |||||
| 208Rn | 207,9896 | 24,35 dk. | 204Po | 0+ | |
| e- yakalama | 208At | ||||
| 209Rn | 208,9904 | 28,5 dk. | e- yakalama | 209At | 5/2- |
| 205Po | |||||
| 210Rn | 209,9897 | 2,4 saat | 206Po | 0+ | |
| e- yakalama | 210At | ||||
| 211Rn | 210,9906 | 14,6 saat | e- yakalama | 211At | 1/2+ |
| 207Po | |||||
| 212Rn | 211,9907 | 23,9 dk. | 208Po | 0+ | |
| 213Rn | 212,9939 | 0,025 sn. | 209Po | 9/2+ | |
| 214Rn | 213,9953 | 0,27 mikrosn. | 210Po | 0+ | |
| 215Rn | 214,9987 | 2,3 mikrosn. | 211Po | 9/2+ | |
| 216Rn | 216,0003 | 45 mikrosn. | 212Po | 0+ | |
| 217Rn | 217,0039 | 0,00054 sn. | 213Po | 9/2+ | |
| 218Rn | 218,0056 | 0,035 sn. | 214Po | 0+ | |
| 219Rn | 219,0095 | 3,69 sn. | 215Po | 5/2+ | |
| 220Rn | 220,0114 | 55,6 sn. | 216Po | 0+ | |
| 221Rn | 221,015 | 25 dk. | 221Fr | 7/2+ | |
| 217Po | |||||
| 222Rn | 222,0176 | 3.8235 gün | 218Po | 0+ | |
| 223Rn | 223,0218 | 23,2 dk. | 223Fr | 7/2+ | |
| 224Rn | 224,024 | 107 dk. | 224Fr | 0+ | |
| 225Rn | 225,0284 | 4,5 dk. | 225Fr | 7/2- | |
| 226Rn | 226,031 | 7,4 dk. | 226Fr | 0+ | |
| 227Rn | 227,035 | 22,5 sn. | 227Fr | ||
| 228Rn | 228,038 | 65 sn. | 228Fr | 0+ |