doodlean4474 doodlean4474

16-08-2021
Chemistry

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A radioactive sample is placed in a closed container. Two days later only one-quarter of the sample is still radioactive. What is the half-life of this sample?

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DexterTheWulf DexterTheWulf

16-08-2021

Answer:

2

Explanation:

The sample has halved twice.

1/2 of 1/2 is 1/4, and 1/2 of 1 is 1/2.

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