鑪的同位素均具有放射性。 圖表 rowspan2253Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 149 rowspan225310044 44 rowspan213 5 ms SF 51 various rowspan272 49 249No styletextindent1em 253mRf colspan3 styletextindent2em 200 150 keV 52 14 µs 48 1710 µs SF various 12 rowspan2254Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 150 rowspan225410005 30 rowspan223 3 µs SF 997 various rowspan20 3 250No rowspan2255Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 151 rowspan225510127 12 rowspan2164 11 s SF 52 various rowspan292 48 251No rowspan2256Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 152 rowspan2256101152 19 rowspan2645 14 ms SF 96 various rowspan20 6 252No rowspan3257Rf rowspan3 styletextalignright 104 rowspan3 styletextalignright 153 rowspan3257102918 12 rowspan347 3 s 79 253No rowspan312 18 257Lr SF 24 various styletextindent1em 257mRf colspan3 styletextindent2em 114 17 keV 39 4 s 112 rowspan2258Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 154 rowspan225810343 3 rowspan212 2 ms SF 87 various rowspan20 13 254No rowspan3259Rf rowspan3 styletextalignright 104 rowspan3 styletextalignright 155 rowspan325910560 8 rowspan3 28 4 s 93 255No rowspan3 72 SF 7 various 3 259Lr rowspan2260Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 156 rowspan226010644 22 rowspan221 1 ms SF 98 various rowspan20 2 256No rowspan3261Rf rowspan3 styletextalignright 104 rowspan3 styletextalignright 157 rowspan326110877 5 rowspan368 s 76 257No rowspan392 14 261Lr SF 10 various rowspan2 styletextindent1em 261mRf rowspan2 colspan3 styletextindent2em 70 100 keV rowspan219 4 shttpjournalsapsorgprcpdf101103PhysRevC83034602 SF 73 various rowspan232 27 257No rowspan2262Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 158 rowspan226210993 24 rowspan223 4 s SF 992 various rowspan20 8 258No styletextindent1em 262mRf colspan3 styletextindent2em 600 400 keV 47 5 ms SF various high rowspan2263Rf rowspan2 styletextalignright 104 rowspan2 styletextalignright 159 rowspan22631125 2 rowspan211 3 min SF 70 various rowspan232 30 259No 264Rf styletextalignright 104 styletextalignright 160 26411388 39 1 h SF various 0 265RfNot directly synthesized occurs in decay chain of 285Fl styletextalignright 104 styletextalignright 161 26511668 39 10 min SF various 266RfDiscovery of this isotope is unconfirmedNot directly synthesized occurs in decay chain of 282Nh styletextalignright 104 styletextalignright 162 26611817 50 10 h 0 267RfNot directly synthesized occurs in decay chain of 287Fl styletextalignright 104 styletextalignright 163 26712179 62 13 h SF various 268RfNot directly synthesized occurs in decay chain of 288Mc styletextalignright 104 styletextalignright 164 26812397 77 1 h 0 參考文獻 Isotope masses from Ame2003 Atomic Mass Evaluation by G Audi AH Wapstra C Thibault J Blachot and O Bersillon in Nuclear Physics A729 2003 Halflife spin and isomer data selected from these sources Editing notes on this articles talk page Audi Bersillon Blachot Wapstra The Nubase2003 evaluation of nuclear and decay properties Nuc Phys A 729 pp 3128 2003 National Nuclear Data Center Brookhaven National Laboratory Information extracted from the NuDat 21 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 Rf