About   |   More   |   Search

Bismuth-216

Properties and data of the isotope 216Bi.

 

Bismuth-216 is the radioisotope of the element Bismuth, whose atomic nucleus has 133 neutrons in addition to the element-specific 83 protons, resulting in a mass number of 216.

See also: list of Bismuth isotopes.

 

General data

Name of the isotope:Bismuth-216; Bi-216Symbol:216BiMass number A:216Atomic number Z:83 (= number of protons)Neutrons N:133Isotopic mass:216.006306(12) u (atomic weight of Bismuth-216)Nuclide mass:215.9607791 u (calculated nuclear mass without electrons)Mass excess:5.874 MeVMass defect:1.795605484 u (per nucleus)Nuclear binding energy:1672.59573471 MeV (per nucleus)
7.74349877 MeV (average binding energy per nucleon)
Separation energy:SN = 3.827(13) MeV (first neutron)
SP = 5.76(5) MeV (first proton)
Half-life:2.25(5) minDecay constant λ:0.0051344235597033 s-1Spin and parity:(6-.7-)Year of discovery:1989

 

Radioactive Decay

Half-life T½ = 2.25(5) min (minutes) respectively 1.35 × 102 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-216Po≤ 100 %4,092(11) MeV

 

Bismuth-216 radioactive decay cascade

 

Parent Nuclides

Direct parent isotope is: 220At.

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 133) and isobaric (same nucleon number A = 216) with Bismuth-216. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 133Isobar A = 216
80213Hg216Hg
81214Tl216Tl
82215Pb216Pb
83216Bi216Bi
84217Po216Po
85218At216At
86219Rn216Rn
87220Fr216Fr
88221Ra216Ra
89222Ac216Ac
90223Th216Th
91224Pa216Pa
92225U216U
93226Np

 

External data and identifiers

Adopted Levels, Gammas:NuDat 216Bi

 


Category: Isotopes

Last update: 26.11.2022



© 1996 - 2022 Internetchemistry

 

 




I agree!

This site uses cookies. By using this website, you agree to the use of cookies! Learn more ...