氙嘅同位素
氙嘅同位素之中,有10個係存在喺自然界嘅,其中6個係穩定嘅、3個係半衰期非常長嘅,另一個係經由其它元素或更重嘅元素衰變成嘅極微量嘅放射性同位素。
圖表
編輯符號 | Z(p) | N(n) | 質量(原子質量單位) | 半衰期 | 原子核自旋 | 相對豐度 | 相對豐度嘅變化率 |
---|---|---|---|---|---|---|---|
激發能量 | |||||||
110Xe | 54 | 56 | 109.94428(14) | 310(190) ms [105(+35-25) ms] | 0+ | ||
111Xe | 54 | 57 | 110.94160(33)# | 740(200) ms | 5/2+# | ||
112Xe | 54 | 58 | 111.93562(11) | 2.7(8) s | 0+ | ||
113Xe | 54 | 59 | 112.93334(9) | 2.74(8) s | (5/2+)# | ||
114Xe | 54 | 60 | 113.927980(12) | 10.0(4) s | 0+ | ||
115Xe | 54 | 61 | 114.926294(13) | 18(4) s | (5/2+) | ||
116Xe | 54 | 62 | 115.921581(14) | 59(2) s | 0+ | ||
117Xe | 54 | 63 | 116.920359(11) | 61(2) s | 5/2(+) | ||
118Xe | 54 | 64 | 117.916179(11) | 3.8(9) min | 0+ | ||
119Xe | 54 | 65 | 118.915411(11) | 5.8(3) min | 5/2(+) | ||
120Xe | 54 | 66 | 119.911784(13) | 40(1) min | 0+ | ||
121Xe | 54 | 67 | 120.911462(12) | 40.1(20) min | (5/2+) | ||
122Xe | 54 | 68 | 121.908368(12) | 20.1(1) h | 0+ | ||
123Xe | 54 | 69 | 122.908482(10) | 2.08(2) h | 1/2+ | ||
123mXe | 185.18(22) keV | 5.49(26) µs | 7/2(-) | ||||
124Xe | 54 | 70 | 123.905893(2) | 穩定 [>48E+15 a] | 0+ | 0.000952(3) | |
125Xe | 54 | 71 | 124.9063955(20) | 16.9(2) h | 1/2(+) | ||
125m1Xe | 252.60(14) keV | 56.9(9) s | 9/2(-) | ||||
125m2Xe | 295.86(15) keV | 0.14(3) µs | 7/2(+) | ||||
126Xe | 54 | 72 | 125.904274(7) | 穩定 | 0+ | 0.000890(2) | |
127Xe | 54 | 73 | 126.905184(4) | 36.345(3) d | 1/2+ | ||
127mXe | 297.10(8) keV | 69.2(9) s | 9/2- | ||||
128Xe | 54 | 74 | 127.9035313(15) | 穩定 | 0+ | 0.019102(8) | |
129Xe | 54 | 75 | 128.9047794(8) | 穩定 | 1/2+ | 0.264006(82) | |
129mXe | 236.14(3) keV | 8.88(2) d | 11/2- | ||||
130Xe | 54 | 76 | 129.9035080(8) | STABLE | 0+ | 0.040710(13) | |
131Xe | 54 | 77 | 130.9050824(10) | 穩定 | 3/2+ | 0.212324(30) | |
131mXe | 163.930(8) keV | 11.934(21) d | 11/2- | ||||
132Xe | 54 | 78 | 131.9041535(10) | 穩定 | 0+ | 0.269086(33) | |
132mXe | 2752.27(17) keV | 8.39(11) ms | (10+) | ||||
133Xe | 54 | 79 | 132.9059107(26) | 5.2475(5) d | 3/2+ | ||
133mXe | 233.221(18) keV | 2.19(1) d | 11/2- | ||||
134Xe | 54 | 80 | 133.9053945(9) | 穩定 [>11E+15 a] | 0+ | 0.104357(21) | |
134m1Xe | 1965.5(5) keV | 290(17) ms | 7- | ||||
134m2Xe | 3025.2(15) keV | 5(1) µs | (10+) | ||||
135Xe | 54 | 81 | 134.907227(5) | 9.14(2) h | 3/2+ | ||
135mXe | 526.551(13) keV | 15.29(5) min | 11/2- | ||||
136Xe | 54 | 82 | 135.907219(8) | 2.11E+21 a | 0+ | 0.088573(44) | |
136mXe | 1891.703(14) keV | 2.95(9) µs | 6+ | ||||
137Xe | 54 | 83 | 136.911562(8) | 3.818(13) min | 7/2- | ||
138Xe | 54 | 84 | 137.91395(5) | 14.08(8) min | 0+ | ||
139Xe | 54 | 85 | 138.918793(22) | 39.68(14) s | 3/2- | ||
140Xe | 54 | 86 | 139.92164(7) | 13.60(10) s | 0+ | ||
141Xe | 54 | 87 | 140.92665(10) | 1.73(1) s | 5/2(-#) | ||
142Xe | 54 | 88 | 141.92971(11) | 1.22(2) s | 0+ | ||
143Xe | 54 | 89 | 142.93511(21)# | 0.511(6) s | 5/2- | ||
144Xe | 54 | 90 | 143.93851(32)# | 0.388(7) s | 0+ | ||
145Xe | 54 | 91 | 144.94407(32)# | 188(4) ms | (3/2-)# | ||
146Xe | 54 | 92 | 145.94775(43)# | 146(6) ms | 0+ | ||
147Xe | 54 | 93 | 146.95356(43)# | 130(80) ms [0.10(+10-5) s] | 3/2-# |
備註:有#嘅數據代表冇經過實驗嘅證明,只係理論推測,而用咗括號括係代表數據唔確定。
參攷
編輯- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.
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