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Title: After three half-lives, a radioactive element will have ____ of its original parent atoms. Post by: apich on Jan 23, 2018 After three half-lives, a radioactive element will have ____ of its original parent atoms. Title: After three half-lives, a radioactive element will have ____ of its original parent atoms. Post by: asapchigga on Jan 23, 2018 Content hidden
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