Radioactivity – PSA

This is a Public Service Announcement regarding the radioactivity of the substance Iodine-131.
Iodine-131 goes through beta decay, meaning an electron is emitted from the atom. In this case, Iodine-131 decays into Xenon-131, having now 54 protons instead of 53.
The half-life of Iodine-131 is approximately 8.040 days, taking about 50.5 half lives(about 402 days) for 99% of the substance to decay.
Iodine-131 is commonly used in the medical field and in natural gas production.
The beta emission from Iodine-131 may be harmful, especially internally. Often times, simple skin covering clothing may provide services protection against these emissions.
This has been a public service announcement for Iodine-131, thank you for your time.



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