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    Radioactive dating is also called

    It has a radioactive decay half-life of about eight days.

    It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production.

    I is present in high levels in the environment from radioactive fallout, it can be absorbed through contaminated food, and will also accumulate in the thyroid. The primary risk from exposure to high levels of The risk of thyroid cancer in later life appears to diminish with increasing age at time of exposure.

    Most risk estimates are based on studies in which radiation exposures occurred in children or teenagers.

    However, since the other 90% of radiation (beta radiation) causes tissue damage without contributing to any ability to see or "image" the isotope, other less-damaging radioisotopes of iodine such as iodine-123 (see isotopes of iodine) are preferred in situations when only nuclear imaging is required.

    The isotope I-131 is still occasionally used for purely diagnostic (i.e., imaging) work, due to its low expense compared to other iodine radioisotopes.

    Thus, iodine-131 is increasingly less employed in small doses in medical use (especially in children), but increasingly is used only in large and maximal treatment doses, as a way of killing targeted tissues.

    radioactive dating is also called-36

    Ph ET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery. A tellurium compound can be irradiated while bound as an oxide to an ion exchange column, and evolved I-131 then eluted into an alkaline solution.More commonly, powdered elemental tellurium is irradiated and then I-131 separated from it by dry distillation of the iodine, which has a far higher vapor pressure.When adults are exposed, it has been difficult for epidemiologists to detect a statistically significant difference in the rates of thyroid disease above that of a similar but otherwise-unexposed group.The risk can be mitigated by taking iodine supplements, raising the total amount of iodine in the body and, therefore, reducing uptake and retention in the face and chest and lowering the relative proportion of radioactive iodine.

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