Chemistry, 13.04.2021 23:00 Rubendelarosa1529
The half life of potassium 40 is approximately 1.25 billion years. An igneous rock is found to contain about 1/4 of its original mass of potassium 40. The approximate age of the rock is billion years.
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The half life of potassium 40 is approximately 1.25 billion years. An igneous rock is found to conta...
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