lauragurl01 lauragurl01

01-05-2017
Chemistry

contestada

The graph below shows the decay of a radioactive isotope. What is the half-life of the isotope?
A. 15 seconds
B. 25 seconds
C. 40 seconds
D. 200 seconds
The graph is in an attachment. :)

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robertterhune4 robertterhune4

01-05-2017

i think the answer is b

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kgquann kgquann

20-11-2020

Answer:

C. 40 seconds

Explanation:

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