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an isotope of cesium (cesium-137) has a half-life of 30 years if 1.0g of cesium-137 disintegrates over a period of 90 years how many g of celsium-137 would remain
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an isotope of cesium (cesium-137) has a half-life of 30 years if 1.0g of cesium-137 disintegrates over a period of 90 years how many g of celsium-137 would remain

User Psar Tak
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The answer is after 3 half lives
User Ianmayo
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