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VirginiaEarth and Environmental ScienceQuick questions
Reporting Category: Earth's History and Surface Processes
Quick questions on Radioactive decay and half-life - Virginia Earth Science SOL Earth's History
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
An isotope has a half-life of 2000 years. What fraction of the parent remains after 6000 years? [2]
What is q2?Show answer
Explain why carbon-14 cannot be used to date a rock that is 500 million years old. [2]
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