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17-06-2022
Chemistry

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10. Cesium-137 has a half-life of about 30 years. Is it normal that after more than 20 years, levels of
radioactivity in the ground near Chernobyl are still very high? Explain your answer.
/2 marks

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jsimpson11000 jsimpson11000

17-06-2022

Answer:

see below

Explanation:

There is still more than 1/2 of the original amount of cesium in the environment because it has been less than one half life ...so levels if high to begin with, are still high.

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