Periodic Table/Hassium/²⁶³Hs

264Hs →

²⁶³Hs

Hassium-263

Radioactive· Half-life: 900 μs

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

108

Neutrons (N)

155

Mass Number (A)

263

Atomic Mass

263.128479AMU

Spin / Parity

3/2+

Binding E/A

7.085keV

Natural Abundance

Trace / None

Half-life

900 μs

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

α

100.0%

SF

Decay Chain

²⁶³HsHassium900 μs

α100.0%

²⁵⁹SgSeaborgium402 ms

α100.0%

β⁺²⁵⁹Db

²⁵⁵RfRutherfordium1.63 s

α52.8%

β⁺²⁵⁵Lr6.00%

²⁵¹NoNobelium800 ms

α83.0%

β⁺²⁵¹Md

²⁴⁷FmFermium31.0 s

α64.0%

β⁺²⁴⁷Es

²⁴³CfCalifornium10.8 min

β⁺86.0%

α²³⁹Cm14.0%

²⁴³BkBerkelium4.60 h

β⁺100.0%

α²³⁹Am0.15%

²⁴³CmCurium29.1 y

α100.0%

EC²⁴³Am0.29%

²³⁹PuPlutonium24.1 ky

α100.0%

²³⁵UUranium704 My

α100.0%

20Ne²¹⁵Pb8.00%

25Ne²¹⁰Pb8.00%

28Mg²⁰⁷Hg8.00%

²³¹ThThorium1.06 d

β⁻100.0%

²³¹PaProtactinium32.6 ky

α100.0%

24Ne²⁰⁷Tl13.4%

23F²⁰⁸Pb9.90%

²²⁷AcActinium21.8 y

β⁻98.6%

α²²³Fr1.38%

²²⁷ThThorium18.7 d

α100.0%

²²³RaRadium11.4 d

α100.0%

¹⁴C²⁰⁹Pb8.90%

²¹⁹RnRadon3.96 s

α100.0%

²¹⁵PoPolonium1.78 ms

α100.0%

β⁻²¹⁵At2.30%

²¹¹PbLead36.2 min

β⁻100.0%

²¹¹BiBismuth2.14 min

α100.0%

β⁻²¹¹Po0.28%

²⁰⁷TlThallium4.77 min

β⁻100.0%

²⁰⁷PbLeadSTABLE

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

Other Isotopes of Hassium

263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280

← Back to HassiumData: IAEA NDS · ENSDF