Chemistry, 15.07.2021 19:10 mackdoolittle1

A rock originally has 2200 atoms of 235U and no 207Pb. It now has 800 atoms of 235U. Assuming the only chemical process is the radioactive decay of uranium to lead, what is the age of the rock

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A rock originally has 2200 atoms of 235U and no 207Pb. It now has 800 atoms of 235U. Assuming the on...