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符號 | Z | N | 同位素質量(u) [n 1][n 2] |
半衰期 [n 1][n 2] |
衰變 方式[2] |
衰變 產物 [n 3] |
原子核 自旋[n 1] |
相對豐度 (莫耳分率)[n 2] |
相對豐度 的變化量 (莫耳分率) |
---|---|---|---|---|---|---|---|---|---|
激發能量[n 1][n 2] | |||||||||
42Cr | 24 | 18 | 42.00643(32)# | 14(3) ms [13(+4-2) ms] |
β+ (>99.9%) | 42V | 0+ | ||
2p (<.1%) | 40Ti | ||||||||
43Cr | 24 | 19 | 42.99771(24)# | 21.6(7) ms | β+ (71%) | 43V | (3/2+) | ||
β+, p (23%) | 42Ti | ||||||||
β+, 2p (6%) | 41Sc | ||||||||
β+, α (<.1%) | 39Sc | ||||||||
44Cr | 24 | 20 | 43.98555(5)# | 54(4) ms [53(+4-3) ms] |
β+ (93%) | 44V | 0+ | ||
β+, p (7%) | 43Ti | ||||||||
45Cr | 24 | 21 | 44.97964(54) | 50(6) ms | β+ (73%) | 45V | 7/2−# | ||
β+, p (27%) | 44Ti | ||||||||
45mCr | 50(100)# keV | 1# ms | IT | 45Cr | 3/2+# | ||||
β+ | 45V | ||||||||
46Cr | 24 | 22 | 45.968359(21) | 0.26(6) s | β+ | 46V | 0+ | ||
47Cr | 24 | 23 | 46.962900(15) | 500(15) ms | β+ | 47V | 3/2− | ||
48Cr | 24 | 24 | 47.954032(8) | 21.56(3) h | β+ | 48V | 0+ | ||
49Cr | 24 | 25 | 48.9513357(26) | 42.3(1) min | β+ | 49V | 5/2− | ||
50Cr | 24 | 26 | 49.9460442(11) | 觀測上穩定[n 4] | 0+ | 0.04345(13) | 0.04294–0.04345 | ||
51Cr | 24 | 27 | 50.9447674(11) | 27.7025(24) d | ε | 51V | 7/2− | ||
52 Cr |
24 | 28 | 51.9405075(8) | 穩定 | 0+ | 0.83789(18) | 0.83762–0.83790 | ||
53Cr | 24 | 29 | 52.9406494(8) | 穩定 | 3/2− | 0.09501(17) | 0.09501–0.09553 | ||
54Cr | 24 | 30 | 53.9388804(8) | 穩定 | 0+ | 0.02365(7) | 0.02365–0.02391 | ||
55Cr | 24 | 31 | 54.9408397(8) | 3.497(3) min | β− | 55Mn | 3/2− | ||
56Cr | 24 | 32 | 55.9406531(20) | 5.94(10) min | β− | 56Mn | 0+ | ||
57Cr | 24 | 33 | 56.943613(2) | 21.1(10) s | β− | 57Mn | (3/2−) | ||
58Cr | 24 | 34 | 57.94435(22) | 7.0(3) s | β− | 58Mn | 0+ | ||
59Cr | 24 | 35 | 58.94859(26) | 460(50) ms | β− | 59Mn | 5/2−# | ||
59mCr | 503.0(17) keV | 96(20) µs | (9/2+) | ||||||
60Cr | 24 | 36 | 59.95008(23) | 560(60) ms | β− | 60Mn | 0+ | ||
61Cr | 24 | 37 | 60.95472(27) | 261(15) ms | β− (>99.9%) | 61Mn | 5/2−# | ||
β−, n (<.1%) | 60Mn | ||||||||
62Cr | 24 | 38 | 61.95661(36) | 199(9) ms | β− (>99.9%) | 62Mn | 0+ | ||
β−, n | 61Mn | ||||||||
63Cr | 24 | 39 | 62.96186(32)# | 129(2) ms | β− | 63Mn | (1/2−)# | ||
β−, n | 62Mn | ||||||||
64Cr | 24 | 40 | 63.96441(43)# | 43(1) ms | β− | 64Mn | 0+ | ||
65Cr | 24 | 41 | 64.97016(54)# | 27(3) ms | β− | 65Mn | (1/2−)# | ||
66Cr | 24 | 42 | 65.97338(64)# | 10(6) ms | β− | 66Mn | 0+ | ||
67Cr | 24 | 43 | 66.97955(75)# | 10# ms [>300 ns] |
β− | 67Mn | 1/2−# | ||
68Cr[3] | 24 | 44 | 67.98316(54)# | 10# ms (>620 ns) |
β−?[n 5] | 68Mn | 0+ | ||
β−, n?[n 5] | 67Mn | ||||||||
β−, 2n?[n 5] | 66Mn | ||||||||
69Cr[4] | 24 | 45 | 68.98966(54)# | 6# ms (>620 ns) |
β−?[n 5] | 69Mn | 7/2+# | ||
β−, n?[n 5] | 68Mn | ||||||||
β−, 2n?[n 5] | 67Mn | ||||||||
70Cr[4] | 24 | 46 | 69.99395(64)# | 6# ms (>620 ns) |
β−?[n 5] | 70Mn | 0+ | ||
β−, n?[n 5] | 69Mn | ||||||||
β−, 2n?[n 5] | 68Mn |
← | 同位素列表 | → |
釩的同位素 | 鉻的同位素 | 錳的同位素 |