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islandgurl islandgurl
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2 months ago

In order to investigate the age of a mineral sample believed to be millions of years old, which would be the best choice of radioactive isotope to measure?



59Fe (t1/2 = 45.1 d)



12C (t1/2 = 5.72 ×103 yr)



53Mn (t1/2 = 3.7 ×106 yr)



40K (t1/2 = 1.2 ×109 yr)



238U (t1/2 = 4.51 ×109 yr)

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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jaimielaviejaimielavie
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2 months ago
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islandgurl Author
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2 months ago
You make an excellent tutor!
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Yesterday
Thanks
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2 hours ago
Good timing, thanks!
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