碲的同位素

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原子量:127.60(3))的同位素,其中有4個穩定同位素和2個觀測上穩定同位素。

圖表[编辑]

符號 Z(p N(n 同位素質量(u 半衰期 衰變
方式
[1][n 1]
衰變
產物
[n 2]
原子核
自旋
相對豐度
莫耳分率)
相對豐度
的變化量
莫耳分率)
激發能量
105Te 52 53 104.94364(54)# 1 µs# 5/2+#
106Te 52 54 105.93750(14) 70(20) µs
[70(+20-10) µs]
α 102Sn 0+
107Te 52 55 106.93501(32)# 3.1(1) ms α (70%) 103Sn 5/2+#
β+ (30%) 107Sb
108Te 52 56 107.92944(11) 2.1(1) s β+ (51%) 108Sb 0+
α (49%) 104Sn
β+, p (2.4%) 107Sn
β+, α (.065%) 104In
109Te 52 57 108.92742(7) 4.6(3) s β+ (86.99%) 109Sb (5/2+)
β+, p (9.4%) 108Sn
α (7.9%) 105Sn
β+, α (.005%) 105In
110Te 52 58 109.92241(6) 18.6(8) s β+ (99.99%) 110Sb 0+
β+, p (.003%) 109Sn
111Te 52 59 110.92111(8) 19.3(4) s β+ 111Sb (5/2)+#
β+, p (不常見) 110Sn
112Te 52 60 111.91701(18) 2.0(2) min β+ 112Sb 0+
113Te 52 61 112.91589(3) 1.7(2) min β+ 113Sb (7/2+)
114Te 52 62 113.91209(3) 15.2(7) min β+ 114Sb 0+
115Te 52 63 114.91190(3) 5.8(2) min β+ 115Sb 7/2+
115m1Te 10(7) keV 6.7(4) min β+ 115Sb (1/2)+
IT 115Te
115m2Te 280.05(20) keV 7.5(2) µs 11/2-
116Te 52 64 115.90846(3) 2.49(4) h β+ 116Sb 0+
117Te 52 65 116.908645(14) 62(2) min β+ 117Sb 1/2+
117mTe 296.1(5) keV 103(3) ms IT 117Te (11/2-)
118Te 52 66 117.905828(16) 6.00(2) d ε 118Sb 0+
119Te 52 67 118.906404(9) 16.05(5) h β+ 119Sb 1/2+
119mTe 260.96(5) keV 4.70(4) d β+ (99.99%) 119Sb 11/2-
IT (.008%) 119Te
120Te 52 68 119.90402(1) 觀測上穩定[n 3] 0+ 9(1)×10−4
121Te 52 69 120.904936(28) 19.16(5) d β+ 121Sb 1/2+
121mTe 293.991(22) keV 154(7) d IT (88.6%) 121Te 11/2-
β+ (11.4%) 121Sb
122Te 52 70 121.9030439(16) 稳定[n 4] 0+ 0.0255(12)
123Te 52 71 122.9042700(16) 觀測上穩定[n 5] 1/2+ 0.0089(3)
123mTe 247.47(4) keV 119.2(1) d IT 123Te 11/2-
124Te 52 72 123.9028179(16) 稳定[n 4] 0+ 0.0474(14)
125Te[n 6] 52 73 124.9044307(16) 稳定[n 4] 1/2+ 0.0707(15)
125mTe 144.772(9) keV 57.40(15) d IT 125Te 11/2-
126Te 52 74 125.9033117(16) 稳定[n 4] 0+ 0.1884(25)
127Te[n 6] 52 75 126.9052263(16) 9.35(7) h β 127I 3/2+
127mTe 88.26(8) keV 109(2) d IT (97.6%) 127Te 11/2-
β (2.4%) 127I
128Te[n 6][n 7] 52 76 127.9044631(19) 2.2(3)×1024 a[n 8] ββ 128Xe 0+ 0.3174(8)
128mTe 2790.7(4) keV 370(30) ns 10+
129Te[n 6] 52 77 128.9065982(19) 69.6(3) min β 129I 3/2+
129mTe 105.50(5) keV 33.6(1) d 11/2-
130Te[n 6][n 7] 52 78 129.9062244(21) 790(100)×1018 a ββ 130Xe 0+ 0.3408(62)
130m1Te 2146.41(4) keV 115(8) ns (7)-
130m2Te 2661(7) keV 1.90(8) µs (10+)
130m3Te 4375.4(18) keV 261(33) ns
131Te[n 6] 52 79 130.9085239(21) 25.0(1) min β 131I 3/2+
131mTe 182.250(20) keV 30(2) h β (77.8%) 131I 11/2-
IT (22.2%) 131Te
132Te[n 6] 52 80 131.908553(7) 3.204(13) d β 132I 0+
133Te 52 81 132.910955(26) 12.5(3) min β 133I (3/2+)
133mTe 334.26(4) keV 55.4(4) min β (82.5%) 133I (11/2-)
IT (17.5%) 133Te
134Te 52 82 133.911369(11) 41.8(8) min β 134I 0+
134mTe 1691.34(16) keV 164.1(9) ns 6+
135Te[n 9] 52 83 134.91645(10) 19.0(2) s β 135I (7/2-)
135mTe 1554.88(17) keV 510(20) ns (19/2-)
136Te 52 84 135.92010(5) 17.63(8) s β (98.7%) 136I 0+
β, n (1.3%) 135I
137Te 52 85 136.92532(13) 2.49(5) s β (97.01%) 137I 3/2-#
β, n (2.99%) 136I
138Te 52 86 137.92922(22)# 1.4(4) s β (93.7%) 138I 0+
β, n (6.3%) 137I
139Te 52 87 138.93473(43)# 500 ms
[>300 ns]#
β 139I 5/2-#
β, n 138I
140Te 52 88 139.93885(32)# 300 ms
[>300 ns]#
β 140I 0+
β, n 139I
141Te 52 89 140.94465(43)# 100 ms
[>300 ns]#
β 141I 5/2-#
β, n 140I
142Te 52 90 141.94908(64)# 50 ms
[>300 ns]#
β 142I 0+

備註:畫上#號的數據代表沒有經過實驗的証明,只是理論推測而已,而用括號括起來的代表數據不確定性。


同位素列表
銻的同位素 碲的同位素 碘的同位素

註釋[编辑]

  1. ^ 縮寫的涵義:
    ε电子俘获
    IT核異構轉變
    β+正电子发射
    β貝他衰變
  2. ^ 穩定的衰變產物以粗體表示。
  3. ^ Believed to undergo β+β+ decay to 120Sn with a half-life over 2.2×1016 years
  4. ^ 4.0 4.1 4.2 4.3 Theoretically capable of spontaneous fission
  5. ^ Believed to undergo β+ decay to 123Sb with a half-life over 9.2×1016 years
  6. ^ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 Fission product
  7. ^ 7.0 7.1 Primordial radionuclide
  8. ^ Longest measured half-life of any nuclide
  9. ^ Very short-lived fission product, responsible for the iodine pit as precursor of 135Xe via 135I

参考文獻[编辑]

  1. ^ Universal Nuclide Chart. nucleonica. (需要註冊 (說明)).