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。
一覧 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 Cn112 165 277.16394(14)# 1.1(7) ms [0.69(+69-24) ms] 3/2+# 278 Cn112 166 278.16431(57)# 10# ms 0+ 279 Cn112 167 279.16655(53)# 0.1# s 280 Cn112 168 280.16704(69)# 1# s 0+ 281 Cn112 169 281.16929(106)# 10# s 3/2+# 282 Cn112 170 282.16977(76)# 30# s 0+ 283 Cn112 171 283.17179(83)# 4.2(2.1) min 284 Cn112 172 284.17238(91)# 31(18) s 0+ 285 Cn112 173 285.17411(78)# 40(30) min 5/2+#
参考文献 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.