247Es
Einsteinium-247
Radioactive· Half-life: 4.55 min
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
99
Neutrons (N)
148
Mass Number (A)
247
Atomic Mass
247.073622AMU
Spin / Parity
7/2+
Binding E/A
7.275keV
Natural Abundance
Trace / None
Half-life
4.55 min
Decay Chain
α100.0%
243AmAmericium7.35 kyα100.0%
239NpNeptunium2.36 dα100.0%
235UUranium704 Myβ⁻100.0%
231PaProtactinium32.6 kyα100.0%
223RaRadium11.4 dα100.0%
215PoPolonium1.78 msβ⁻100.0%
211BiBismuth2.14 minβ⁻100.0%
207PbLeadSTABLE18-step decay chain → stable · Primary path shown · branching ratios indicated
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