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a sample of 16g radioactive substance X has a half life of 2 hours. what percentage of the sample is left after 6 hours?

sharifa hajri , 8 Years ago
Grade 10
anser 1 Answers
sonika p
at time=0hrs, sample = 16g
t=2hrs, m= 8g
t=4hrs, m= 4g
t=6hrs, m=2g
percentage of sample left after 6hrs= (2/16)*100 = 12.5%
Last Activity: 8 Years ago
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