Chemical elements
  Chromium
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    PDB 1huo-9icc

Chromium Isotopes






Proton number: 24


Stable Isotopes


Chromium stable isotope number 1: 52Cr
Neutrons: 28;
Abundance: 83.789%;
Jn: 0+;

Chromium stable isotope number 2: 53Cr
Neutrons: 29;
Abundance: 9.501%;
Jn: 3/2-;

Chromium stable isotope number 3: 54Cr
Neutrons: 30;
Abundance: 2.365%;
Jn: 0+;

Natural Radioactive isotopes


Chromium radioactive isotope number 1: 50Cr
Neutrons: 26;
Abundance: 4.345%;
Jn: 0+;
Decay: 2ε;
t1/2: 4.09968E+25s ≈ 1.300000e+18 y;

Artificial Radioactive isotopes


Chromium radioactive isotope number 1: 42Cr
Neutrons: 18;
Jn: 0+;
Decay: ε;
t1/2: 0.013s ≈ 13.00 ms;

Chromium radioactive isotope number 2: 43Cr
Neutrons: 19;
Jn: 3/2+;
Decay: ε : 100.00 %
ε p : 23.00 %
ε 2p : 6.00 %;
t1/2: 0.0216s ≈ 21.60 ms;

Chromium radioactive isotope number 3: 44Cr
Neutrons: 20;
Jn: 0+;
Decay: ε : 100.00 %
ε p > 7.00 %;
t1/2: 0.053s ≈ 53.00 ms;

Chromium radioactive isotope number 4: 45Cr
Neutrons: 21;
Jn: Unknown;
Decay: ε : 100.00 %
ε p > 27.00 %;
t1/2: 0.05s ≈ 50.00 ms;

Chromium radioactive isotope number 5: 46Cr
Neutrons: 22;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 0.26s ;

Chromium radioactive isotope number 6: 47Cr
Neutrons: 23;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 0.5s ;

Chromium radioactive isotope number 7: 48Cr
Neutrons: 24;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 77616s ≈ 21.56 h;

Chromium radioactive isotope number 8: 49Cr
Neutrons: 25;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 2538s ≈ 42.30 m;

Chromium radioactive isotope number 9: 51Cr
Neutrons: 27;
Jn: 7/2-;
Decay: ε : 100.00 %;
t1/2: 2393496s ≈ 27.70 d;

Chromium radioactive isotope number 10: 55Cr
Neutrons: 31;
Jn: 3/2-;
Decay: β - : 100.00 %;
t1/2: 209.82s ≈ 3.50 m;

Chromium radioactive isotope number 11: 56Cr
Neutrons: 32;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 356.4s ≈ 5.94 m;

Chromium radioactive isotope number 12: 57Cr
Neutrons: 33;
Jn: 3/2-,5/2-,7/2-;
Decay: β - : 100.00 %;
t1/2: 21.1s ;

Chromium radioactive isotope number 13: 58Cr
Neutrons: 34;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 7s ;

Chromium radioactive isotope number 14: 59Cr
Neutrons: 35;
Jn: 1/2-;
Decay: β - : 100.00 %;
t1/2: 0.46s ;

Chromium radioactive isotope number 15: 60Cr
Neutrons: 36;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 0.57s ;

Chromium radioactive isotope number 16: 61Cr
Neutrons: 37;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 0.27s ;

Chromium radioactive isotope number 17: 62Cr
Neutrons: 38;
Jn: 0+;
Decay: β - : 100.00 %
β -n;
t1/2: 0.19s ;

Chromium radioactive isotope number 18: 63Cr
Neutrons: 39;
Jn: 1/2-;
Decay: β - : 100.00 %
β -n;
t1/2: 0.129s ;

Chromium radioactive isotope number 19: 64Cr
Neutrons: 40;
Jn: 0+;
Decay: β -;
t1/2: 0.043s ≈ 43.00 ms;

Chromium radioactive isotope number 20: 65Cr
Neutrons: 41;
Jn: 1/2-;
Decay: β -n ?
β -;
t1/2: 0.027s ≈ 27.00 ms;

Chromium radioactive isotope number 21: 66Cr
Neutrons: 42;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 0.01s ≈ 10.00 ms;

Chromium radioactive isotope number 22: 67Cr
Neutrons: 43;
Jn: Unknown;
Decay: β - ?;
t1/2: 0.05s ≈ 50.00 ms;
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