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Periodic table
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aluminium
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Al-27
Aluminium-27 (Al-27)
Identity
Protons
13
Neutrons
14
Mass number
27
Mass
26.982 ± 0.050 u
Mass excess
-17.197 MeV
Spin
5/2+*
Stability
stable
Natural occurrence
100.00 %
of aluminium
All isotopes of aluminium