It is well known that any radiocarbon takes several decades to disintegrate. In an experiment, only 0.5 percent of thorium disappeared in 12 years. 1. What is the half-life of the thorium? 2. What percentage will disappear in 15 years?
It is well known that any radiocarbon takes several decades to disintegrate. In an experiment, only 0.5 percent of thorium disappeared in 12 years. 1. What is the half-life of the thorium? 2. What percentage will disappear in 15 years?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section: Chapter Questions
Problem 71QRT
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Transcribed Image Text:It is well known that any radiocarbon takes several decades to disintegrate. In an experiment,
only 0.5 percent of thorium disappeared in 12 years.
1. What is the half-life of the thorium?
2. What percentage will disappear in 15 years?
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