Isotopes of Lithium - Table

Table

nuclide
symbol
Z(p) N(n)
isotopic mass (u)
half-life decay
mode(s)
daughter
isotope(s)
nuclear
spin
representative
isotopic
composition
(mole fraction)
range of natural
variation
(mole fraction)
excitation energy
4Li 3 1 4.02719(23) 91(9)×10−-24 s
p 3He 2-
5Li 3 2 5.01254(5) 370(30)×10−-24 s
p 4He 3/2-
6Li 3 3 6.015122795(16) Stable 1+ 0.07714-0.07225
7Li 3 4 7.01600455(8) Stable 3/2- 0.92275-0.92786
8Li 3 5 8.02248736(10) 840.3(9) ms β- 8Be 2+
9Li 3 6 9.0267895(21) 178.3(4) ms β-, n (50.8%) 8Be 3/2-
β- (49.2%) 9Be
10Li 3 7 10.035481(16) 2.0(5)×10−-21 s
n 9Li (1-,2-)
10m1Li 200(40) keV 3.7(15)×10−-21 s 1+
10m2Li 480(40) keV 1.35(24)×10−-21 s 2+
11Li 3 8 11.043798(21) 8.75(14) ms β-, n (84.9%) 10Be 3/2-
β- (8.07%) 11Be
β-, 2n (4.1%) 9Be
β-, 3n (1.9%) 8Be
β-, fission (1.0%) 7He, 4He
β-, fission (.014%) 8Li, 3H
β-, fission (.013%) 9Li, 2H
12Li 3 9 12.05378(107)# <10 ns n 11Li

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