Periodic Table/Einsteinium/²⁵²Es

← 251Es253Es →

²⁵²Es

Einsteinium-252

Radioactive· Half-life: 1.29 y

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

99

Neutrons (N)

153

Mass Number (A)

252

Atomic Mass

252.082979AMU

Spin / Parity

4+

Binding E/A

7.256keV

Natural Abundance

Trace / None

Half-life

1.29 y

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

α

78.0%

EC

22.0%

Decay Chain

²⁵²EsEinsteinium1.29 y

α78.0%

EC²⁵²Cf22.0%

²⁴⁸BkBerkelium?

α

EC²⁴⁸Cm

²⁴⁴AmAmericium10.0 h

β⁻100.0%

²⁴⁴CmCurium18.1 y

α100.0%

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

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

Other Isotopes of Einsteinium

239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258

← Back to EinsteiniumData: IAEA NDS · ENSDF