Nobelium-262

Properties and data of the isotope ²⁶²No.

Contents

General data

Name of the isotope:Nobelium-262; No-262Symbol:²⁶²No or 262102NoMass number A:262 (= number of nucleons)Atomic number Z:102 (= number of protons)Neutrons N:160Isotopic mass:262.10746(39) u (atomic weight of Nobelium-262)Nuclide mass:262.0515133 u (calculated nuclear mass without electrons)Mass excess:100.09835 MeVMass defect:2.077079824 u (per nucleus)Nuclear binding energy:1934.78739358 MeV (per nucleus)
7.38468471 MeV (average binding energy per nucleon)Separation energy:S_N = 6.42(41) MeV (first neutron)
S_P = 5.77(62) MeV (first proton)Half-life:5 msDecay constant λ:138.62943611199 s^-1Specific activity α:3.186435082442 × 10⁺²³ Bq g^-1
8611986709304.6 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1989

Radioactive Decay

Half-life T_½ = 5 ms respectively 5 × 10^-3 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
SF	div.	100 %

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 160) and isobaric (same nucleon number A = 262) with Nobelium-262. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 160	Isobar A = 262
102	²⁶²No	²⁶²No
103	²⁶³Lr	²⁶²Lr
104	²⁶⁴Rf	²⁶²Rf
105	²⁶⁵Db	²⁶²Db
106	²⁶⁶Sg	²⁶²Sg
107	²⁶⁷Bh	²⁶²Bh
108	²⁶⁸Hs
109	²⁶⁹Mt
110	²⁷⁰Ds