Assuming that the only chemical process is radioactive
A rock originally had 4800 atoms of 40-k and no 40-Ar. It now has 400 atoms of 40-K. Assuming that the only chemical process is radioactive decay of potassium to argon, what is the age of the rock?
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a rock originally had 4800 atoms of 40-k and no 40-ar it now has 400 atoms of 40-k assuming that the only chemical
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