Periodic Table/Californium/²⁵²Cf

← 251Cf253Cf →

²⁵²Cf

Californium-252

Radioactive· Half-life: 2.65 y

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

98

Neutrons (N)

154

Mass Number (A)

252

Atomic Mass

252.081627AMU

Spin / Parity

0+

Binding E/A

7.267keV

Natural Abundance

Trace / None

Half-life

2.65 y

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

α

96.9%

SF

3.1%

Decay Chain

²⁵²CfCalifornium2.65 y

α96.9%

²⁴⁸CmCurium348 ky

α91.6%

2β⁻²⁴⁸Cf

²⁴⁴PuPlutonium81.3 My

α99.9%

2β⁻²⁴⁴Cm7.30%

²⁴⁰UUranium14.1 h

β⁻100.0%

α²³⁶Th

²⁴⁰NpNeptunium1.03 h

β⁻100.0%

²⁴⁰PuPlutonium6.56 ky

α100.0%

34Si²⁰⁶Hg1.30%

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

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

Other Isotopes of Californium

237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256

← Back to CaliforniumData: IAEA NDS · ENSDF