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Isotopes of copper
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Everything about Isotopes Of Copper totally explainedCopper ( Cu) has two stable isotopes, 63Cu and 65Cu, along with numerous radioisotopes. The vast majority of radioisotopes have half lives on the order of minutes or less; the longest lived, 67Cu, has a half life of 61.8 hours. Standard atomic mass: 63.546(3) amu
Table
nuclide
symbol |
Z(p) |
N(n) |
isotopic mass (u)
|
half-life |
nuclear
spin |
representative
isotopic
composition
(mole fraction) |
range of natural
variation
(mole fraction) |
| excitation energy |
| 52Cu |
29 |
23 |
51.99718(28)# |
|
(3+)# |
|
|
| 53Cu |
29 |
24 |
52.98555(28)# |
<300 ns |
(3/2-)# |
|
|
| 54Cu |
29 |
25 |
53.97671(23)# |
<75 ns |
(3+)# |
|
|
| 55Cu |
29 |
26 |
54.96605(32)# |
40# ms [>200ns] |
3/2-# |
|
|
| 56Cu |
29 |
27 |
55.95856(15)# |
93(3) ms |
(4+) |
|
|
| 57Cu |
29 |
28 |
56.949211(17) |
196.3(7) ms |
3/2- |
|
|
| 58Cu |
29 |
29 |
57.9445385(17) |
3.204(7) s |
1+ |
|
|
| 59Cu |
29 |
30 |
58.9394980(8) |
81.5(5) s |
3/2- |
|
|
| 60Cu |
29 |
31 |
59.9373650(18) |
23.7(4) min |
2+ |
|
|
| 61Cu |
29 |
32 |
60.9334578(11) |
3.333(5) h |
3/2- |
|
|
| 62Cu |
29 |
33 |
61.932584(4) |
9.673(8) min |
1+ |
|
|
| 63Cu |
29 |
34 |
62.9295975(6) |
STABLE |
3/2- |
0.6915(15) |
0.68983-0.69338 |
| 64Cu |
29 |
35 |
63.9297642(6) |
12.700(2) h |
1+ |
|
|
| 65Cu |
29 |
36 |
64.9277895(7) |
STABLE |
3/2- |
0.3085(15) |
0.30662-0.31017 |
| 66Cu |
29 |
37 |
65.9288688(7) |
5.120(14) min |
1+ |
|
|
| 67Cu |
29 |
38 |
66.9277303(13) |
61.83(12) h |
3/2- |
|
|
| 68Cu |
29 |
39 |
67.9296109(17) |
31.1(15) s |
1+ |
|
|
| 68mCu |
721.6(7) keV |
3.75(5) min |
(6-) |
|
|
| 69Cu |
29 |
40 |
68.9294293(15) |
2.85(15) min |
3/2- |
|
|
| 69mCu |
2741.8(10) keV |
360(30) ns |
(13/2+) |
|
|
| 70Cu |
29 |
41 |
69.9323923(17) |
44.5(2) s |
(6-) |
|
|
| 70m1Cu |
101.1(3) keV |
33(2) s |
(3-) |
|
|
| 70m2Cu |
242.6(5) keV |
6.6(2) s |
1+ |
|
|
| 71Cu |
29 |
42 |
70.9326768(16) |
19.4(14) s |
(3/2-) |
|
|
| 71mCu |
2756(10) keV |
271(13) ns |
(19/2-) |
|
|
| 72Cu |
29 |
43 |
71.9358203(15) |
6.6(1) s |
(1+) |
|
|
| 72mCu |
270(3) keV |
1.76(3) µs |
(4-) |
|
|
| 73Cu |
29 |
44 |
72.936675(4) |
4.2(3) s |
(3/2-) |
|
|
| 74Cu |
29 |
45 |
73.939875(7) |
1.594(10) s |
(1+,3+) |
|
|
| 75Cu |
29 |
46 |
74.94190(105) |
1.224(3) s |
(3/2-)# |
|
|
| 76Cu |
29 |
47 |
75.945275(7) |
641(6) ms |
(3,5) |
|
|
| 76mCu |
0(200)# keV |
1.27(30) s |
(1,3) |
|
|
| 77Cu |
29 |
48 |
76.94785(43)# |
469(8) ms |
3/2-# |
|
|
| 78Cu |
29 |
49 |
77.95196(43)# |
342(11) ms |
|
|
|
| 79Cu |
29 |
50 |
78.95456(54)# |
188(25) ms |
3/2-# |
|
|
| 80Cu |
29 |
51 |
79.96087(64)# |
100# ms [>300ns] |
|
|
|
==
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