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Dubnium Isotopes






Proton number: 105


Stable Isotopes

There is no Dubnium Stable isotopes known

Natural Radioactive isotopes

There is no Dubnium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Dubnium radioactive isotope number 1: 255Db
Neutrons: 150;
Jn: Unknown;
Decay: α ~ 80.00 %
SF ~ 20.00 %;
t1/2: 1.6s ;

Dubnium radioactive isotope number 2: 256Db
Neutrons: 151;
Jn: Unknown;
Decay: α ~ 64.00 %
ε ~ 36.00 %
SF ~ 0.02 %;
t1/2: 1.6s ;

Dubnium radioactive isotope number 3: 257Db
Neutrons: 152;
Jn: Unknown;
Decay: α > 94.00 %
SF < 6.00 %;
t1/2: 1.5s ;

Dubnium radioactive isotope number 4: 257Db
Neutrons: 152;
Jn: Unknown;
Decay: α ≥ 87.00 %
SF ≤ 13.00 %;
t1/2: 0.76s ;

Dubnium radioactive isotope number 5: 258Db
Neutrons: 153;
Jn: Unknown;
Decay: α : 67.00 %
ε : 33.00 %
SF < 1.00 %;
t1/2: 4s ;

Dubnium radioactive isotope number 6: 258Db
Neutrons: 153;
Jn: Unknown;
Decay: ε ~ 100.00 %;
t1/2: 20s ;

Dubnium radioactive isotope number 7: 259Db
Neutrons: 154;
Jn: Unknown;
Decay: α;
t1/2: 0.51s ;

Dubnium radioactive isotope number 8: 260Db
Neutrons: 155;
Jn: Unknown;
Decay: α ≥ 90.40 %
SF ≤ 9.60 %
ε < 2.50 %;
t1/2: 1.52s ;

Dubnium radioactive isotope number 9: 261Db
Neutrons: 156;
Jn: Unknown;
Decay: α ≥ 82.00 %
SF ≤ 18.00 %;
t1/2: 1.8s ;

Dubnium radioactive isotope number 10: 262Db
Neutrons: 157;
Jn: Unknown;
Decay: α ~ 67.00 %
SF;
t1/2: 35s ;

Dubnium radioactive isotope number 11: 263Db
Neutrons: 158;
Jn: Unknown;
Decay: SF : 55.00 %
α : 41.00 %
ε : 3.00 %;
t1/2: 27s ;

Dubnium radioactive isotope number 12: 264Db
Neutrons: 159;
Jn: Unknown;
Decay: α ?;
t1/2: 180s ≈ 3.00 m;

Dubnium radioactive isotope number 13: 265Db
Neutrons: 160;
Jn: Unknown;
Decay: α ?;
t1/2: 900s ≈ 15.00 m;

Dubnium radioactive isotope number 14: 266Db
Neutrons: 161;
Jn: Unknown;
Decay: SF ?
α ?;
t1/2: 1200s ≈ 20.00 m;

Dubnium radioactive isotope number 15: 267Db
Neutrons: 162;
Jn: Unknown;
Decay: SF ~ 100.00 %;
t1/2: 4380s ≈ 1.22 h;

Dubnium radioactive isotope number 16: 268Db
Neutrons: 163;
Jn: Unknown;
Decay: SF ~ 100.00 %;
t1/2: 115200s ≈ 32.00 h;

Dubnium radioactive isotope number 17: 269Db
Neutrons: 164;
Jn: Unknown;
Decay: α ?
SF ?;
t1/2: 10800s ≈ 3.00 h;
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