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mlhickey mlhickey
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2 years ago
The half-life of 238U, which decomposes to 206Pb, is 4.51 × 109 y. A rock contains equal masses of these two isotopes. How old is this rock?

▸ 4.07 × 109 y

▸ 4.06 × 109 y

▸ 9.02 × 109 y

▸ 4.51 × 109 y

▸ 5.00 × 109 y
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General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
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kevin12323hkevin12323h
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Brilliant ツ
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