shubble0325 shubble0325

14-05-2024
Chemistry

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A mineral contains 600 parent atoms and 2600 daughter atoms. If
the half life for the radioactive element is 200 million years, how
old is the rock?
O 250 million years
O 300 million years
O 400 million years
O 500 million years
O 650 million years

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