Periodic Table/Dubnium/²⁵⁹Db

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²⁵⁹Db

Dubnium-259

Radioactive· Half-life: 510 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

105

Neutrons (N)

154

Mass Number (A)

259

Atomic Mass

259.109492AMU

Spin / Parity

9/2+

Binding E/A

7.153keV

Natural Abundance

Trace / None

Half-life

510 ms

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

α

100.0%

Decay Chain

²⁵⁹DbDubnium510 ms

α100.0%

²⁵⁵LrLawrencium31.1 s

α99.7%

β⁺²⁵⁵No0.30%

²⁵¹MdMendelevium4.21 min

α10.0%

β⁺²⁵¹Fm

²⁴⁷EsEinsteinium4.55 min

β⁺93.0%

α²⁴³Bk7.00%

²⁴⁷CfCalifornium3.11 h

EC100.0%

α²⁴³Cm0.04%

²⁴⁷BkBerkelium1.38 ky

α100.0%

²⁴³AmAmericium7.35 ky

α100.0%

²³⁹NpNeptunium2.36 d

β⁻100.0%

α²³⁵Pa

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 Dubnium

255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270

← Back to DubniumData: IAEA NDS · ENSDF