235U
Uranium-235
Radioactive· Half-life: 704 My
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
92
Neutrons (N)
143
Mass Number (A)
235
Atomic Mass
235.043928AMU
Spin / Parity
7/2-
Binding E/A
7.391keV
Natural Abundance
72.0400%
Half-life
704 My
Decay Chain
β⁻100.0%
231PaProtactinium32.6 kyα100.0%
223RaRadium11.4 dα100.0%
215PoPolonium1.78 msβ⁻100.0%
211BiBismuth2.14 minβ⁻100.0%
207PbLeadSTABLE12-step decay chain → stable · Primary path shown · branching ratios indicated
Other Isotopes of Uranium
← Back to UraniumData: IAEA NDS · ENSDF