Periodic Table/Americium/²²⁴Am

← 223Am225Am →

²²⁴Am

Americium-224

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

95

Neutrons (N)

129

Mass Number (A)

224

Atomic Mass

224.046442AMU

Spin / Parity

—

Binding E/A

7.330keV

Natural Abundance

Trace / None

Half-life

Unknown

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

α

SF

Decay Chain

²²⁴AmAmericium?

α

²²⁰NpNeptunium29.0 ns

α100.0%

²¹⁶PaProtactinium105 ms

α100.0%

β⁺²¹⁶Th

²¹²AcActinium895 ms

α100.0%

β⁺²¹²Ra

²⁰⁸FrFrancium59.1 s

α89.0%

β⁺²⁰⁸Rn11.0%

²⁰⁴AtAstatine9.12 min

β⁺96.2%

α²⁰⁰Bi3.80%

²⁰⁴PoPolonium3.52 h

β⁺99.3%

α²⁰⁰Pb0.67%

²⁰⁴BiBismuth11.2 h

β⁺100.0%

²⁰⁴PbLeadSTABLE

9-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