Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Sashe: An san nucleides goma sha tara da isomers uku na nukiliya don einsteinium tare da nauyin atomatik daga 240 zuwa 258. Dukkanin suna da rediyo kuma nucleide mafi kwanciyar hankali, 252Es, yana da rabin rai na kwanaki 471.7. Isotopes na gaba masu kwanciyar hankali sune 254Es (rabin rai na kwanaki 275.7), 255Es (39.8) da 253Es (20.47 days). Duk sauran isotopes suna da rabin rai ƙasa da awanni 40, kuma mafi yawansu suna lalacewa cikin ƙasa da mintuna 30. Daga cikin isomers uku na nukiliya, mafi kwanciyar hankali shine 254mEs tare da rabin rai na awanni 39.3. Tambaya: Menene rabin rayuwar 254mEs?
39.3 sa'o'i