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Iridium Isotopes






Proton number: 77


Stable Isotopes


Iridium stable isotope number 1: 191Ir
Neutrons: 114;
Abundance: 37.3%;
Jn: 3/2+;

Iridium stable isotope number 2: 193Ir
Neutrons: 116;
Abundance: 62.7%;
Jn: 3/2+;

Natural Radioactive isotopes

There is no Iridium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Iridium radioactive isotope number 1: 164Ir
Neutrons: 87;
Jn: Unknown;
Decay: Unknown;
t1/2: unknowns ;

Iridium radioactive isotope number 2: 164Ir
Neutrons: 87;
Jn: 9+;
Decay: p > 0.00 %
α
ε;
t1/2: 9.4E-05s ≈ 94.00 µs;

Iridium radioactive isotope number 3: 165Ir
Neutrons: 88;
Jn: 1/2+;
Decay: α ?
p ?;
t1/2: 1E-06s ≈ 1.00 µs;

Iridium radioactive isotope number 4: 166Ir
Neutrons: 89;
Jn: 2-;
Decay: α : 93.10 %
p : 6.90 %;
t1/2: 0.0105s ≈ 10.50 ms;

Iridium radioactive isotope number 5: 166Ir
Neutrons: 89;
Jn: 9+;
Decay: α : 98.20 %
p : 1.80 %;
t1/2: 0.0151s ≈ 15.10 ms;

Iridium radioactive isotope number 6: 167Ir
Neutrons: 90;
Jn: 1/2+;
Decay: α : 48.00 %
p : 32.00 %
ε : 20.00 %;
t1/2: 0.0352s ≈ 35.20 ms;

Iridium radioactive isotope number 7: 167Ir
Neutrons: 90;
Jn: 11/2-;
Decay: α : 80.00 %
ε : 20.00 %
p : 0.40 %;
t1/2: 0.0257s ≈ 25.70 ms;

Iridium radioactive isotope number 8: 168Ir
Neutrons: 91;
Jn: Unknown;
Decay: α : 82.00 %;
t1/2: 0.000161s ≈ 0.16 ms;

Iridium radioactive isotope number 9: 169Ir
Neutrons: 92;
Jn: 1/2+;
Decay: α : 50.00 %
p
ε;
t1/2: 0.64s ;

Iridium radioactive isotope number 10: 169Ir
Neutrons: 92;
Jn: 11/2-;
Decay: α : 81.00 %;
t1/2: 0.308s ;

Iridium radioactive isotope number 11: 170Ir
Neutrons: 93;
Jn: Unknown;
Decay: ε : 94.80 %
α : 5.20 %;
t1/2: 0.87s ;

Iridium radioactive isotope number 12: 170Ir
Neutrons: 93;
Jn: Unknown;
Decay: ε ≤ 64.00 %
IT ≤ 64.00 %
α : 36.00 %;
t1/2: 0.44s ;

Iridium radioactive isotope number 13: 171Ir
Neutrons: 94;
Jn: 1/2+;
Decay: α > 0.00 %
p
ε;
t1/2: 3.2s ;

Iridium radioactive isotope number 14: 171Ir
Neutrons: 94;
Jn: 11/2-;
Decay: α : 58.00 %
p ≤ 42.00 %
ε ≤ 42.00 %;
t1/2: 1.4s ;

Iridium radioactive isotope number 15: 172Ir
Neutrons: 95;
Jn: 3+;
Decay: ε : 98.00 %
α ~ 2.00 %;
t1/2: 4.4s ;

Iridium radioactive isotope number 16: 172Ir
Neutrons: 95;
Jn: 7+;
Decay: ε : 77.00 %
α : 23.00 %;
t1/2: 2s ;

Iridium radioactive isotope number 17: 173Ir
Neutrons: 96;
Jn: 3/2+,5/2+;
Decay: ε > 93.00 %
α < 7.00 %;
t1/2: 9s ;

Iridium radioactive isotope number 18: 173Ir
Neutrons: 96;
Jn: 11/2-;
Decay: α : 7.00 %
ε;
t1/2: 2.4s ;

Iridium radioactive isotope number 19: 174Ir
Neutrons: 97;
Jn: 3+;
Decay: ε : 99.50 %
α : 0.50 %;
t1/2: 7.9s ;

Iridium radioactive isotope number 20: 174Ir
Neutrons: 97;
Jn: 7+;
Decay: ε : 97.50 %
α : 2.50 %;
t1/2: 4.9s ;

Iridium radioactive isotope number 21: 175Ir
Neutrons: 98;
Jn: 5/2-;
Decay: ε : 99.15 %
α : 0.85 %;
t1/2: 9s ;

Iridium radioactive isotope number 22: 176Ir
Neutrons: 99;
Jn: Unknown;
Decay: ε : 96.90 %
α : 3.10 %;
t1/2: 8.7s ;

Iridium radioactive isotope number 23: 177Ir
Neutrons: 100;
Jn: 5/2-;
Decay: ε : 99.94 %
α : 0.06 %;
t1/2: 30s ;

Iridium radioactive isotope number 24: 178Ir
Neutrons: 101;
Jn: Unknown;
Decay: ε : 100.00 %;
t1/2: 12s ;

Iridium radioactive isotope number 25: 179Ir
Neutrons: 102;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 79s ;

Iridium radioactive isotope number 26: 180Ir
Neutrons: 103;
Jn: 4,5;
Decay: ε : 100.00 %;
t1/2: 90s ;

Iridium radioactive isotope number 27: 181Ir
Neutrons: 104;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 294s ≈ 4.90 m;

Iridium radioactive isotope number 28: 182Ir
Neutrons: 105;
Jn: 5+;
Decay: ε : 100.00 %;
t1/2: 900s ≈ 15.00 m;

Iridium radioactive isotope number 29: 183Ir
Neutrons: 106;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 3420s ≈ 57.00 m;

Iridium radioactive isotope number 30: 184Ir
Neutrons: 107;
Jn: 5-;
Decay: ε : 100.00 %;
t1/2: 11124s ≈ 3.09 h;

Iridium radioactive isotope number 31: 185Ir
Neutrons: 108;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 51840s ≈ 14.40 h;

Iridium radioactive isotope number 32: 186Ir
Neutrons: 109;
Jn: 5+;
Decay: ε : 100.00 %;
t1/2: 59904s ≈ 16.64 h;

Iridium radioactive isotope number 33: 186Ir
Neutrons: 109;
Jn: 2-;
Decay: ε ~ 75.00 %
IT ~ 25.00 %;
t1/2: 6840s ≈ 1.90 h;

Iridium radioactive isotope number 34: 187Ir
Neutrons: 110;
Jn: 3/2+;
Decay: ε : 100.00 %;
t1/2: 37800s ≈ 10.50 h;

Iridium radioactive isotope number 35: 188Ir
Neutrons: 111;
Jn: 1-;
Decay: ε : 100.00 %;
t1/2: 149400s ≈ 41.50 h;

Iridium radioactive isotope number 36: 189Ir
Neutrons: 112;
Jn: 3/2+;
Decay: ε : 100.00 %;
t1/2: 1140480s ≈ 13.20 d;

Iridium radioactive isotope number 37: 190Ir
Neutrons: 113;
Jn: 4-;
Decay: ε : 100.00 %;
t1/2: 1017792s ≈ 11.78 d;

Iridium radioactive isotope number 38: 190Ir
Neutrons: 113;
Jn: 1-;
Decay: IT : 100.00 %;
t1/2: 4032s ≈ 1.12 h;

Iridium radioactive isotope number 39: 190Ir
Neutrons: 113;
Jn: 11-;
Decay: ε : 91.40 % IT : 8.60 %;
t1/2: 11113.2s ≈ 3.09 h;

Iridium radioactive isotope number 40: 191Ir
Neutrons: 114;
Jn: 11/2-;
Decay: IT : 100.00 %;
t1/2: 4.94s ;

Iridium radioactive isotope number 41: 191Ir
Neutrons: 114;
Jn: Unknown;
Decay: IT : 100.00 %;
t1/2: 5.5s ;

Iridium radioactive isotope number 42: 192Ir
Neutrons: 115;
Jn: 4+;
Decay: β - : 95.13 %
ε : 4.87 %;
t1/2: 6378653s ≈ 73.83 d;

Iridium radioactive isotope number 43: 192Ir
Neutrons: 115;
Jn: 1-;
Decay: IT : 99.98 %
β - : 0.02 %;
t1/2: 87s ;

Iridium radioactive isotope number 44: 192Ir
Neutrons: 115;
Jn: 11-;
Decay: IT : 100.00 %;
t1/2: 7600176000s ≈ 241.00 y;

Iridium radioactive isotope number 45: 193Ir
Neutrons: 116;
Jn: 11/2-;
Decay: IT : 100.00 %;
t1/2: 909792s ≈ 10.53 d;

Iridium radioactive isotope number 46: 194Ir
Neutrons: 117;
Jn: 1-;
Decay: β - : 100.00 %;
t1/2: 69408s ≈ 19.28 h;

Iridium radioactive isotope number 47: 194Ir
Neutrons: 117;
Jn: 10,11;
Decay: β - : 100.00 %;
t1/2: 14774400s ≈ 171.00 d;

Iridium radioactive isotope number 48: 195Ir
Neutrons: 118;
Jn: 3/2+;
Decay: β - : 100.00 %;
t1/2: 9000s ≈ 2.50 h;

Iridium radioactive isotope number 49: 195Ir
Neutrons: 118;
Jn: 11/2-;
Decay: β - : 95.00 %
IT : 5.00 %;
t1/2: 13680s ≈ 3.80 h;

Iridium radioactive isotope number 50: 196Ir
Neutrons: 119;
Jn: 0-;
Decay: β - : 100.00 %;
t1/2: 52s ;

Iridium radioactive isotope number 51: 196Ir
Neutrons: 119;
Jn: 10,11-;
Decay: β - ~ 100.00 %
IT < 0.30 %;
t1/2: 5040s ≈ 1.40 h;

Iridium radioactive isotope number 52: 197Ir
Neutrons: 120;
Jn: 3/2+;
Decay: β - : 100.00 %;
t1/2: 348s ≈ 5.80 m;

Iridium radioactive isotope number 53: 197Ir
Neutrons: 120;
Jn: 11/2-;
Decay: β - : 99.75 %
IT : 0.25 %;
t1/2: 534s ≈ 8.90 m;

Iridium radioactive isotope number 54: 198Ir
Neutrons: 121;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 8s ;

Iridium radioactive isotope number 55: 199Ir
Neutrons: 122;
Jn: Unknown;
Decay: β -;
t1/2: unknowns ;
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