出典: フリー百科事典『ウィキペディア(Wikipedia)』
コペルニシウム (Cn , copernicium) は、安定同位体 を持たないため標準原子量 は定められない。
同位体核種
Z(p )
N(n )
同位体質量 (u )
半減期
核スピン数
天然存在比
天然存在比 (範囲)
励起エネルギー
277 Cn
112
165
277.16394(14)#
1.1(7) ms [0.69(+69-24) ms]
3/2+#
278 Cn
112
166
278.16431(57)#
10# ms
0+
279 Cn
112
167
279.16655(53)#
0.1# s
280 Cn
112
168
280.16704(69)#
1# s
0+
281 Cn
112
169
281.16929(106)#
10# s
3/2+#
282 Cn
112
170
282.16977(76)#
30# s
0+
283 Cn
112
171
283.17179(83)#
4.2(2.1) min
284 Cn
112
172
284.17238(91)#
31(18) s
0+
285 Cn
112
173
285.17411(78)#
40(30) min
5/2+#
参考文献 [ 編集 ]
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.