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Atomic: M.A.C. | Reference
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Isotopes of Aluminium
Notable Isotopes
26Al [13 neutrons]
Abundance: synthetic
Half life: 7.17 x 105 years [ beta+ ]
Decay Energy: 1.17MeV
Decays to 26Mg.
Half life: 7.17 x 105 years [ Electron Capture ]
Decay Energy: ?MeV
Decays to 26Mg.
Half life: 7.17 x 105 years [ Gamma Radiation ]
Decay Energy: 1.8086MeV
Decays to ?.
Meteorite research has also shown that 26Al was relatively abundant at the time of formation of our planetary system. Most meteoriticists believe that the energy released by the decay of 26Al was responsible for the melting and differentiation of some asteroids after their formation 4.55 billion years ago.
27Al [14 neutrons]
Abundance: 100%
Stable with 14 neutrons