Periodic Table/Americium/²³⁶Am

← 235Am237Am →

²³⁶Am

Americium-236

Radioactive· Half-life: 3.60 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

95

Neutrons (N)

141

Mass Number (A)

236

Atomic Mass

236.049427AMU

Spin / Parity

5-

Binding E/A

7.356keV

Natural Abundance

Trace / None

Half-life

3.60 min

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

β⁺

100.0%

α

4.0%

Decay Chain

²³⁶AmAmericium3.60 min

β⁺100.0%

α²³²Np4.00%

²³⁶PuPlutonium2.86 y

α100.0%

28Mg²⁰⁸Pb2.00%

2β⁺²³⁶U

²³²UUranium68.9 y

α100.0%

24Ne²⁰⁸Pb8.90%

28Mg²⁰⁴Hg5.00%

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

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

Other Isotopes of Americium

223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249

← Back to AmericiumData: IAEA NDS · ENSDF