Chemistry, 11.11.2020 20:20 justinjay0000

Cesium- 137 has a half life of 30 years. If it disintegrates over a period of 90 years, how much (%) remains? How much (%) decayed

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Cesium- 137 has a half life of 30 years. If it disintegrates over a period of 90 years, how much (%)...