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鈮(原子量:92.90637(1))共有58個同位素,其中有1個同位素是穩定的。
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標準原子質量(英语:Standard atomic weight) (Ar, 標準) |
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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][n 4] |
原子核 自旋[n 1] |
相對豐度 (莫耳分率)[n 2] |
---|---|---|---|---|---|---|---|---|
激發能量[n 1][n 2] | ||||||||
81 Nb |
41 | 40 | 80.94903(161)# | <44 ns | β+, p | 80Y | 3/2-# | |
p | 80Zr | |||||||
β+ | 81Zr | |||||||
82Nb | 41 | 41 | 81.94313(32)# | 51(5) ms | β+ | 82Zr | 0+ | |
83Nb | 41 | 42 | 82.93671(34) | 4.1(3) s | β+ | 83Zr | (5/2+) | |
84Nb | 41 | 43 | 83.93357(32)# | 9.8(9) s | β+ (>99.9%) | 84Zr | 3+ | |
β+, p (<.1%) | 83Y | |||||||
84mNb | 338(10) keV | 103(19) ns | (5-) | |||||
85Nb | 41 | 44 | 84.92791(24) | 20.9(7) s | β+ | 85Zr | (9/2+) | |
85mNb | 759.0(10) keV | 12(5) s | (1/2-) | |||||
86Nb | 41 | 45 | 85.92504(9) | 88(1) s | β+ | 86Zr | (6+) | |
86mNb | 250(160)# keV | 56(8) s | β+ | 86Zr | high | |||
87Nb | 41 | 46 | 86.92036(7) | 3.75(9) min | β+ | 87Zr | (1/2-) | |
87mNb | 3.84(14) keV | 2.6(1) min | β+ | 87Zr | (9/2+)# | |||
88Nb | 41 | 47 | 87.91833(11) | 14.55(6) min | β+ | 88Zr | (8+) | |
88mNb | 40(140) keV | 7.8(1) min | β+ | 88Zr | (4-) | |||
89Nb | 41 | 48 | 88.913418(29) | 2.03(7) h | β+ | 89Zr | (9/2+) | |
89mNb | 0(30)# keV | 1.10(3) h | β+ | 89Zr | (1/2)- | |||
90Nb | 41 | 49 | 89.911265(5) | 14.60(5) h | β+ | 90Zr | 8+ | |
90m1Nb | 122.370(22) keV | 63(2) µs | 6+ | |||||
90m2Nb | 124.67(25) keV | 18.81(6) s | IT | 90Nb | 4- | |||
90m3Nb | 171.10(10) keV | <1 µs | 7+ | |||||
90m4Nb | 382.01(25) keV | 6.19(8) ms | 1+ | |||||
90m5Nb | 1880.21(20) keV | 472(13) ns | (11-) | |||||
91Nb | 41 | 50 | 90.906996(4) | 680(130) a | ε (99.98%) | 91Zr | 9/2+ | |
β+ (.013%) | 91Zr | |||||||
91m1Nb | 104.60(5) keV | 60.86(22) d | IT (93%) | 91Nb | 1/2- | |||
ε (7%) | 91Zr | |||||||
β+ (.0028%) | 91Zr | |||||||
91m2Nb | 2034.35(19) keV | 3.76(12) µs | (17/2-) | |||||
92Nb | 41 | 51 | 91.907194(3) | 3.47(24)×107 a | β+ (99.95%) | 92Zr | (7)+ | |
β− (.05%) | 92Mo | |||||||
92m1Nb | 135.5(4) keV | 10.15(2) d | β+ | 92Zr | (2)+ | |||
92m2Nb | 225.7(4) keV | 5.9(2) µs | (2)- | |||||
92m3Nb | 2203.3(4) keV | 167(4) ns | (11-) | |||||
93 Nb |
41 | 52 | 92.9063781(26) | 穩定 | 9/2+ | 1.0000 | ||
93mNb | 30.77(2) keV | 16.13(14) a | IT | 93Nb | 1/2- | |||
94Nb | 41 | 53 | 93.9072839(26) | 2.03(16)×104 a | β− | 94Mo | (6)+ | |
94mNb | 40.902(12) keV | 6.263(4) min | IT (99.5%) | 94Nb | 3+ | |||
β− (.5%) | 94Mo | |||||||
95Nb | 41 | 54 | 94.9068358(21) | 34.991(6) d | β− | 95Mo | 9/2+ | |
95mNb | 235.690(20) keV | 3.61(3) d | IT (94.4%) | 95Nb | 1/2- | |||
β− (5.6%) | 95Mo | |||||||
96Nb | 41 | 55 | 95.908101(4) | 23.35(5) h | β− | 96Mo | 6+ | |
97Nb | 41 | 56 | 96.9080986(27) | 72.1(7) min | β− | 97Mo | 9/2+ | |
97mNb | 743.35(3) keV | 52.7(18) s | IT | 97Nb | 1/2- | |||
98Nb | 41 | 57 | 97.910328(6) | 2.86(6) s | β− | 98Mo | 1+ | |
98mNb | 84(4) keV | 51.3(4) min | β− (99.9%) | 98Mo | (5+) | |||
IT (.1%) | 98Nb | |||||||
99Nb | 41 | 58 | 98.911618(14) | 15.0(2) s | β− | 99Mo | 9/2+ | |
99mNb | 365.29(14) keV | 2.6(2) min | β− (96.2%) | 99Mo | 1/2- | |||
IT (3.8%) | 99Nb | |||||||
100Nb | 41 | 59 | 99.914182(28) | 1.5(2) s | β− | 100Mo | 1+ | |
100mNb | 470(40) keV | 2.99(11) s | β− | 100Mo | (4+,5+) | |||
101Nb | 41 | 60 | 100.915252(20) | 7.1(3) s | β− | 101Mo | (5/2#)+ | |
102Nb | 41 | 61 | 101.91804(4) | 1.3(2) s | β− | 102Mo | 1+ | |
102mNb | 130(50) keV | 4.3(4) s | β− | 102Mo | high | |||
103Nb | 41 | 62 | 102.91914(7) | 1.5(2) s | β− | 103Mo | (5/2+) | |
104Nb | 41 | 63 | 103.92246(11) | 4.9(3) s | β− (99.94%) | 104Mo | (1+) | |
β−, n (.06%) | 103Mo | |||||||
104mNb | 220(120) keV | 940(40) ms | β− (99.95%) | 104Mo | high | |||
β−, n (.05%) | 103Mo | |||||||
105Nb | 41 | 64 | 104.92394(11) | 2.95(6) s | β− (98.3%) | 105Mo | (5/2+)# | |
β−, n (1.7%) | 104Mo | |||||||
106Nb | 41 | 65 | 105.92797(21)# | 920(40) ms | β− (95.5%) | 106Mo | 2+# | |
β−, n (4.5%) | 105Mo | |||||||
107Nb | 41 | 66 | 106.93031(43)# | 300(9) ms | β− (94%) | 107Mo | 5/2+# | |
β−, n (6%) | 106Mo | |||||||
108Nb | 41 | 67 | 107.93484(32)# | 0.193(17) s | β− (93.8%) | 108Mo | (2+) | |
β−, n (6.2%) | 107Mo | |||||||
109Nb | 41 | 68 | 108.93763(54)# | 190(30) ms | β− (69%) | 109Mo | 5/2+# | |
β−, n (69%) | 108Mo | |||||||
110Nb | 41 | 69 | 109.94244(54)# | 170(20) ms | β− (60%) | 110Mo | 2+# | |
β−, n (40%) | 109Mo | |||||||
111Nb | 41 | 70 | 110.94565(54)# | 80# ms [>300 ns] | 5/2+# | |||
112Nb | 41 | 71 | 111.95083(75)# | 60# ms [>300 ns] | 2+# | |||
113Nb | 41 | 72 | 112.95470(86)# | 30# ms [>300 ns] | 5/2+# | |||
114Nb[3] | 41 | 73 | ||||||
115Nb[3] | 41 | 74 | ||||||
116Nb[4] | 41 | 75 | ||||||
117Nb[5] | 41 | 76 |
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鋯的同位素 | 鈮的同位素 | 鉬的同位素 |
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