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Radon Isotopes






Proton number: 86


Stable Isotopes

There is no Radon Stable isotopes known

Natural Radioactive isotopes

There is no Radon Natural Radioactive isotopes known

Artificial Radioactive isotopes


Radon radioactive isotope number 1: 195Rn
Neutrons: 109;
Jn: Unknown;
Decay: α : 100.00 %;
t1/2: 0.006s ≈ 6.00 ms;

Radon radioactive isotope number 2: 195Rn
Neutrons: 109;
Jn: Unknown;
Decay: α : 100.00 %;
t1/2: 0.005s ≈ 5.00 ms;

Radon radioactive isotope number 3: 196Rn
Neutrons: 110;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 0.0044s ≈ 4.40 ms;

Radon radioactive isotope number 4: 197Rn
Neutrons: 111;
Jn: 3/2-;
Decay: α ~ 100.00 %;
t1/2: 0.065s ≈ 65.00 ms;

Radon radioactive isotope number 5: 197Rn
Neutrons: 111;
Jn: 13/2+;
Decay: α ~ 100.00 %;
t1/2: 0.019s ≈ 19.00 ms;

Radon radioactive isotope number 6: 198Rn
Neutrons: 112;
Jn: 0+;
Decay: ε
α;
t1/2: 0.065s ≈ 65.00 ms;

Radon radioactive isotope number 7: 199Rn
Neutrons: 113;
Jn: 3/2-;
Decay: α : 94.00 %
ε : 6.00 %;
t1/2: 0.59s ;

Radon radioactive isotope number 8: 199Rn
Neutrons: 113;
Jn: 13/2+;
Decay: α : 97.00 %
ε : 3.00 %;
t1/2: 0.31s ;

Radon radioactive isotope number 9: 200Rn
Neutrons: 114;
Jn: 0+;
Decay: α ~ 98.00 %
ε ~ 2.00 %;
t1/2: 0.96s ;

Radon radioactive isotope number 10: 201Rn
Neutrons: 115;
Jn: 3/2-;
Decay: α
ε;
t1/2: 7s ;

Radon radioactive isotope number 11: 201Rn
Neutrons: 115;
Jn: 13/2+;
Decay: ε
α;
t1/2: 3.8s ;

Radon radioactive isotope number 12: 202Rn
Neutrons: 116;
Jn: 0+;
Decay: α : 86.00 %
ε : 14.00 %;
t1/2: 10s ;

Radon radioactive isotope number 13: 203Rn
Neutrons: 117;
Jn: 3/2-;
Decay: α : 66.00 %
ε : 34.00 %;
t1/2: 44s ;

Radon radioactive isotope number 14: 203Rn
Neutrons: 117;
Jn: 13/2+;
Decay: α : 75.00 %
ε : 25.00 %;
t1/2: 26.9s ;

Radon radioactive isotope number 15: 204Rn
Neutrons: 118;
Jn: 0+;
Decay: α : 73.00 %
ε : 27.00 %;
t1/2: 70.2s ;

Radon radioactive isotope number 16: 205Rn
Neutrons: 119;
Jn: 5/2-;
Decay: ε : 75.40 %
α : 24.60 %;
t1/2: 170s ≈ 2.83 m;

Radon radioactive isotope number 17: 206Rn
Neutrons: 120;
Jn: 0+;
Decay: α : 62.00 %
ε : 38.00 %;
t1/2: 340.2s ≈ 5.67 m;

Radon radioactive isotope number 18: 207Rn
Neutrons: 121;
Jn: 5/2-;
Decay: ε : 79.00 %
α : 21.00 %;
t1/2: 555s ≈ 9.25 m;

Radon radioactive isotope number 19: 208Rn
Neutrons: 122;
Jn: 0+;
Decay: α : 62.00 %
ε : 38.00 %;
t1/2: 1461s ≈ 24.35 m;

Radon radioactive isotope number 20: 209Rn
Neutrons: 123;
Jn: 5/2-;
Decay: ε : 83.00 %
α : 17.00 %;
t1/2: 1710s ≈ 28.50 m;

Radon radioactive isotope number 21: 210Rn
Neutrons: 124;
Jn: 0+;
Decay: α : 96.00 %
ε : 4.00 %;
t1/2: 8640s ≈ 2.40 h;

Radon radioactive isotope number 22: 211Rn
Neutrons: 125;
Jn: 1/2-;
Decay: ε : 72.60 %
α : 27.40 %;
t1/2: 52560s ≈ 14.60 h;

Radon radioactive isotope number 23: 212Rn
Neutrons: 126;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 1434s ≈ 23.90 m;

Radon radioactive isotope number 24: 213Rn
Neutrons: 127;
Jn: 9/2+;
Decay: α : 100.00 %;
t1/2: 0.0194s ≈ 19.40 ms;

Radon radioactive isotope number 25: 214Rn
Neutrons: 128;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 2.7E-07s ≈ 0.27 µs;

Radon radioactive isotope number 26: 215Rn
Neutrons: 129;
Jn: 9/2+;
Decay: α : 100.00 %;
t1/2: 2.3E-06s ≈ 2.30 µs;

Radon radioactive isotope number 27: 216Rn
Neutrons: 130;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 4.5E-05s ≈ 45.00 µs;

Radon radioactive isotope number 28: 217Rn
Neutrons: 131;
Jn: 9/2+;
Decay: α : 100.00 %;
t1/2: 0.00054s ≈ 0.54 ms;

Radon radioactive isotope number 29: 218Rn
Neutrons: 132;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 0.035s ≈ 35.00 ms;

Radon radioactive isotope number 30: 219Rn
Neutrons: 133;
Jn: 5/2+;
Decay: α : 100.00 %;
t1/2: 3.96s ;

Radon radioactive isotope number 31: 220Rn
Neutrons: 134;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 55.6s ;

Radon radioactive isotope number 32: 221Rn
Neutrons: 135;
Jn: 7/2+;
Decay: β - : 78.00 %
α : 22.00 %;
t1/2: 1542s ≈ 25.70 m;

Radon radioactive isotope number 33: 222Rn
Neutrons: 136;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 330350.4s ≈ 3.82 d;

Radon radioactive isotope number 34: 223Rn
Neutrons: 137;
Jn: 7/2;
Decay: β - : 100.00 %;
t1/2: 1458s ≈ 24.30 m;

Radon radioactive isotope number 35: 224Rn
Neutrons: 138;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 6420s ≈ 1.78 h;

Radon radioactive isotope number 36: 225Rn
Neutrons: 139;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 279.6s ≈ 4.66 m;

Radon radioactive isotope number 37: 226Rn
Neutrons: 140;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 444s ≈ 7.40 m;

Radon radioactive isotope number 38: 227Rn
Neutrons: 141;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 20.8s ;

Radon radioactive isotope number 39: 228Rn
Neutrons: 142;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 65s ;
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