Ununbium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
277Uub | 277.16394 (14) |
| 1.1 | ms | 152,710 (130) | 7,204 (0) | A | 100 |
278Uub | 278.16431 (57) |
| 10 | ms | 153,060 (530) | 7,206 (2) | A ? |
|
279Uub | 279.16655 (53) |
| 100 | ms | 155,140 (490) | 7,201 (2) | A ? |
|
280Uub | 280.16704 (69) |
| 1 | s | 155,600 (640) | 7,203 (2) | A ? |
|
281Uub | 281.1693 (11) |
| 10 | s | 157,690 (980) | 7,198 (4) | A ? |
|
282Uub | 282.16977 (76) |
| 30 | s | 158,140 (710) | 7,200 (3) | A ? |
|
283Uub | 283.17179 (83) |
| 4.2 | m | 160,020 (770) | 7,196 (3) | SF | 100 |
284Uub | 284.17238 (91) |
| 31 | s | 160,570 (850) | 7,197 (3) | A | 100 |
285Uub | 285.17411 (78) |
| 40 | m | 162,180 (730) | 7,195 (3) | A | 100 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005