Nuclear Wallet Card - Z(100)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
=== === ==== ======= ========= ============= =====================
100 Fm 242 0+ 68.353C 0.8 ms 2 SF > 0%
243 69.4s 0.18 s +8-4 A,SF <= 0.36%
244 0+ 69.1s 3.3 ms 4 SF
245 70.2s 4.2 s 13 A,SF <= 0.11%
246 0+ 70.12 1.1 s 2 A 92%,SF 8%,EC <= 1%
247? 71.5s 35 s 4 A >= 50%,EC <= 50%
247M 71.5s 9.2 s 23 A
248 0+ 71.90 36 s 3 A 99%,EC ~ 1%
SF ~ 0.05%
249 (7/2+) 73.6s 2.6 m 7 EC ~ 85%,A ~ 15%
250 0+ 74.07 30 m 3 A > 90%,EC < 10%
SF ~6.0E-4%
250M 75.07 1.8 s 1 IT > 80%,SF <0.8E-4%
251 (9/2-) 75.978 5.30 h 8 EC 98.2%,A 1.8%
252 0+ 76.810 25.39 h 5 A,SF 0.0023%
253 1/2+ 79.340 3.00 d 12 EC 88%,A 12%
254 0+ 80.897 3.240 h 2 A 99.94%,SF 0.06%
255 7/2+ 83.793 20.07 h 7 A,SF 2.4E-5%
256 0+ 85.479 157.6 m 13 SF 91.9%,A 8.1%
257 (9/2+) 88.581 100.5 d 2 A 99.79%,SF 0.21%
258 0+ 90.5s 370 us 43 SF
259 93.7s 1.5 s 3 SF
260 0+ ~ 4 ms SF
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