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Periodic table
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iron
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Fe-56
Iron-56 (Fe-56)
Identity
Protons
26
Neutrons
30
Mass number
56
Mass
55.93 ± 0.29 u
Mass excess
-60.607 MeV
Spin
0+
Stability
stable
Natural occurrence
91.75 %
of iron
Produced by
Co-56
All isotopes of iron