Periodic Table/Lawrencium/²⁵⁹Lr

← 258Lr260Lr →

²⁵⁹Lr

Lawrencium-259

Radioactive· Half-life: 6.20 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

103

Neutrons (N)

156

Mass Number (A)

259

Atomic Mass

259.102900AMU

Spin / Parity

1/2-

Binding E/A

7.187keV

Natural Abundance

Trace / None

Half-life

6.20 s

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

α

78.0%

SF

22.0%

β⁺

Decay Chain

²⁵⁹LrLawrencium6.20 s

α78.0%

β⁺²⁵⁹No

²⁵⁵MdMendelevium27.0 min

β⁺93.0%

α²⁵¹Es7.00%

²⁵⁵FmFermium20.1 h

α100.0%

²⁵¹CfCalifornium898 y

α100.0%

²⁴⁷CmCurium15.6 My

α100.0%

²⁴³PuPlutonium4.96 h

β⁻100.0%

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 Lawrencium

251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266

← Back to LawrenciumData: IAEA NDS · ENSDF