Selenium radioactive isotope number 1: 65Se |
| Neutrons: | 31; |
| Jn: | Unknown; |
| Decay: | ε : 100.00 %; |
| t1/2: | 0.05s ≈ 50.00 ms; |
Selenium radioactive isotope number 2: 66Se |
| Neutrons: | 32; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 0.033s ≈ 33.00 ms; |
Selenium radioactive isotope number 3: 67Se |
| Neutrons: | 33; |
| Jn: | Unknown; |
| Decay: | ε : 100.00 %
β -p : 0.50 %; |
| t1/2: | 0.136s ; |
Selenium radioactive isotope number 4: 68Se |
| Neutrons: | 34; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 35.5s ; |
Selenium radioactive isotope number 5: 69Se |
| Neutrons: | 35; |
| Jn: | 1/2-,3/2-; |
| Decay: | ε : 100.00 %
ε p : 0.05 %; |
| t1/2: | 27.4s ; |
Selenium radioactive isotope number 6: 70Se |
| Neutrons: | 36; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 2466s ≈ 41.10 m; |
Selenium radioactive isotope number 7: 71Se |
| Neutrons: | 37; |
| Jn: | 5/2-; |
| Decay: | ε : 100.00 %; |
| t1/2: | 284.4s ≈ 4.74 m; |
Selenium radioactive isotope number 8: 72Se |
| Neutrons: | 38; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 725760s ≈ 8.40 d; |
Selenium radioactive isotope number 9: 73Se |
| Neutrons: | 39; |
| Jn: | 9/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 25740s ≈ 7.15 h; |
Selenium radioactive isotope number 10: 73Se |
| Neutrons: | 39; |
| Jn: | 3/2-; |
| Decay: | IT : 72.60 %
ε : 27.40 %; |
| t1/2: | 2388s ≈ 39.80 m; |
Selenium radioactive isotope number 11: 75Se |
| Neutrons: | 41; |
| Jn: | 5/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 10349860s ≈ 119.79 d; |
Selenium radioactive isotope number 12: 77Se |
| Neutrons: | 43; |
| Jn: | 7/2+; |
| Decay: | IT : 100.00 %; |
| t1/2: | 17.36s ; |
Selenium radioactive isotope number 13: 79Se |
| Neutrons: | 45; |
| Jn: | 7/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 9.30312E+12s ≈ 2.950000e+5 y; |
Selenium radioactive isotope number 14: 79Se |
| Neutrons: | 45; |
| Jn: | 1/2-; |
| Decay: | IT : 99.94 %
β - : 0.06 %; |
| t1/2: | 235.2s ≈ 3.92 m; |
Selenium radioactive isotope number 15: 81Se |
| Neutrons: | 47; |
| Jn: | 1/2-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 1107s ≈ 18.45 m; |
Selenium radioactive isotope number 16: 81Se |
| Neutrons: | 47; |
| Jn: | 7/2+; |
| Decay: | IT : 99.95 %
β - : 0.05 %; |
| t1/2: | 3436.8s ≈ 57.28 m; |
Selenium radioactive isotope number 17: 82Se |
| Neutrons: | 48; |
| Jn: | 8+; |
| Decay: | IT : 100.00 %; |
| t1/2: | 6.6E-09s ≈ 6.60 ns; |
Selenium radioactive isotope number 18: 83Se |
| Neutrons: | 49; |
| Jn: | 9/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 1338s ≈ 22.30 m; |
Selenium radioactive isotope number 19: 83Se |
| Neutrons: | 49; |
| Jn: | 1/2-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 70.1s ; |
Selenium radioactive isotope number 20: 84Se |
| Neutrons: | 50; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 186s ≈ 3.10 m; |
Selenium radioactive isotope number 21: 85Se |
| Neutrons: | 51; |
| Jn: | 5/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 31.7s ; |
Selenium radioactive isotope number 22: 86Se |
| Neutrons: | 52; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 15.3s ; |
Selenium radioactive isotope number 23: 87Se |
| Neutrons: | 53; |
| Jn: | 5/2+; |
| Decay: | β - : 100.00 %
β -n : 0.20 %; |
| t1/2: | 5.5s ; |
Selenium radioactive isotope number 24: 88Se |
| Neutrons: | 54; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %
β -n : 0.67 %; |
| t1/2: | 1.53s ; |
Selenium radioactive isotope number 25: 89Se |
| Neutrons: | 55; |
| Jn: | 5/2+; |
| Decay: | β - : 100.00 %
β -n : 7.80 %; |
| t1/2: | 0.41s ; |
Selenium radioactive isotope number 26: 90Se |
| Neutrons: | 56; |
| Jn: | 0+; |
| Decay: | β -
β -n; |
| t1/2: | 3E-07s ≈ 0.30 µs; |
Selenium radioactive isotope number 27: 91Se |
| Neutrons: | 57; |
| Jn: | Unknown; |
| Decay: | β - : 100.00 %
β -n : 21.00 %; |
| t1/2: | 0.27s ; |
Selenium radioactive isotope number 28: 92Se |
| Neutrons: | 58; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 3E-07s ≈ 0.30 µs; |
Selenium radioactive isotope number 29: 93Se |
| Neutrons: | 59; |
| Jn: | 1/2+; |
| Decay: | β -; |
| t1/2: | 1.5E-07s ≈ 0.15 µs; |
Selenium radioactive isotope number 30: 94Se |
| Neutrons: | 60; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 1.5E-07s ≈ 0.15 µs; |