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Periodic table
›
iodine
›
I-127
Iodine-127 (I-127)
Identity
Protons
53
Neutrons
74
Mass number
127
Mass
126.9 ± 3.9 u
Mass excess
-88.983 MeV
Spin
5/2+*
Stability
stable
Natural occurrence
100.00 %
of iodine
Produced by
Xe-127
All isotopes of iodine