鋦的同位素

圖表 [编辑]

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	相對豐度的變化率
符號	激發能量			半衰期	原子核自旋	相對豐度	相對豐度的變化率
²³²Cm	96	136		1? min	0+
²³³Cm	96	137	233.05077(8)	1# min	3/2+#
²³⁴Cm	96	138	234.05016(2)	51(12) s	0+
²³⁵Cm	96	139	235.05143(22)#	5# min	5/2+#
²³⁶Cm	96	140	236.05141(22)#	10# min	0+
²³⁷Cm	96	141	237.05290(22)#	20# min	5/2+#
²³⁸Cm	96	142	238.05303(4)	2.4(1) h	0+
²³⁹Cm	96	143	239.05496(11)#	~2.9 h	(7/2-)
²⁴⁰Cm	96	144	240.0555295(25)	27(1) d	0+
²⁴¹Cm	96	145	241.0576530(23)	32.8(2) d	1/2+
²⁴²Cm	96	146	242.0588358(20)	162.8(2) d	0+
²⁴³Cm	96	147	243.0613891(22)	29.1(1) a	5/2+
^243mCm	87.4(1) keV			1.08(3) µs	1/2+
²⁴⁴Cm	96	148	244.0627526(20)	18.10(2) a	0+
^244mCm	1040.188(12) keV			34(2) ms	6+
²⁴⁵Cm	96	149	245.0654912(22)	8.5(1)E+3 a	7/2+
^245mCm	355.90(10) keV			290(20) ns	1/2+
²⁴⁶Cm	96	150	246.0672237(22)	4.76(4)E+3 a	0+
²⁴⁷Cm	96	151	247.070354(5)	1.56(5)E+7 a	9/2-
²⁴⁸Cm	96	152	248.072349(5)	3.48(6)E+5 a	0+
²⁴⁹Cm	96	153	249.075953(5)	64.15(3) min	1/2(+)
^249mCm	48.758(17) keV			23 µs	(7/2+)
²⁵⁰Cm	96	154	250.078357(12)	8300# a	0+
²⁵¹Cm	96	155	251.082285(24)	16.8(2) min	(1/2+)
²⁵²Cm	96	156	252.08487(32)#	<1 d	0+

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

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鋂的同位素	鋦的同位素	锫的同位素

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.