Periodic Table/Curium/²³³Cm

← 232Cm234Cm →

²³³Cm

Curium-233

Radioactive· Half-life: 27.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

96

Neutrons (N)

137

Mass Number (A)

233

Atomic Mass

233.050771AMU

Spin / Parity

3/2+

Binding E/A

7.335keV

Natural Abundance

Trace / None

Half-life

27.0 s

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

α

20.0%

β⁺

80.0%

Decay Chain

²³³CmCurium27.0 s

β⁺80.0%

α²²⁹Pu20.0%

²³³AmAmericium3.20 min

α4.50%

β⁺²³³Pu

²²⁹NpNeptunium4.00 min

α68.0%

β⁺²²⁹U

²²⁵PaProtactinium1.71 s

α100.0%

²²¹AcActinium52.0 ms

α100.0%

²¹⁷FrFrancium22.0 μs

α100.0%

²¹³AtAstatine125 ns

α100.0%

²⁰⁹BiBismuth20100000000 Gy

α100.0%

²⁰⁵TlThalliumSTABLE

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

Other Isotopes of Curium

231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252

← Back to CuriumData: IAEA NDS · ENSDF