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bug2012 bug2012
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12 years ago
I am in Integrated science 1, and I need to know what elements from the periodic table are radioactive in its most ommon form. Please help Slight Smile
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julie7julie7
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12 years ago
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12 years ago
Technetium, promethium (atomic numbers 43 and 61, respectively) and all the elements with an atomic number greater than 82 have only isotopes that are known to decompose through radioactive decay.
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