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Biology, 30.07.2020 06:01 Anshuman2002

The isotope samarium-151 decays into europium-151, with a half-life of around 96.6 years. A rock contains 5 grams of samarium-151 when it reaches its closure temperature, and it contains 0.625 grams when it is discovered. The time since the rock reached its closure temperature is ( ) years. When the rock was discovered, it had ( ) grams of europium-151.

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The isotope samarium-151 decays into europium-151, with a half-life of around 96.6 years. A rock con...

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