Jodianna Jodianna

25-02-2015
Chemistry

contestada

How many half lives have passed if a sample contains one sixteenth of its original amount of radioactive material

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Cadedalf Cadedalf

25-02-2015

4.
Half life 1: 1/2
Half life 2: 1/4
Half life 3: 1/8
Half life 4: 1/16

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