Chemistry, 20.03.2021 06:00, thawngmawi
Suppose the mineral started out with K-40 atoms but no Ar-40. If the mineral now has equal numbers of K-40 and Ar-40 atoms (the ratio is now 1:1), how old is the crystal?
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Suppose the mineral started out with K-40 atoms but no Ar-40. If the mineral now has
equal numbers...
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