Periodic Table/Actinium/²³⁶Ac

← 235Ac237Ac →

²³⁶Ac

Actinium-236

Radioactive· Half-life: 4.50 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

89

Neutrons (N)

147

Mass Number (A)

236

Atomic Mass

236.054988AMU

Spin / Parity

3+

Binding E/A

7.367keV

Natural Abundance

Trace / None

Half-life

4.50 min

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁻

100.0%

Decay Chain

²³⁶AcActinium4.50 min

β⁻100.0%

²³⁶ThThorium37.3 min

β⁻100.0%

²³⁶PaProtactinium9.10 min

β⁻100.0%

²³⁶UUranium23.4 My

α100.0%

²³²ThThorium14.0 Gy

α100.0%

26Ne²⁰⁶Hg2.78%

2β⁻²³²U

²²⁸RaRadium5.75 y

β⁻100.0%

²²⁸AcActinium6.15 h

β⁻100.0%

²²⁸ThThorium1.91 y

α100.0%

20O²⁰⁸Pb1.13%

²²⁴RaRadium3.63 d

α100.0%

¹⁴C²¹⁰Pb4.00%

²²⁰RnRadon55.6 s

α100.0%

2β⁻²²⁰Ra

²¹⁶PoPolonium144 ms

α100.0%

2β⁻²¹⁶Rn

²¹²PbLead10.6 h

β⁻100.0%

²¹²BiBismuth1.01 h

β⁻64.1%

α²⁰⁸Tl35.9%

β⁻α²⁰⁸Pb0.01%

²¹²PoPolonium294 ns

α100.0%

²⁰⁸PbLeadSTABLE

15-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Actinium

205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237

← Back to ActiniumData: IAEA NDS · ENSDF