Multiple Choice
In the following diagrams,A represents a radioactive isotope that decays into a new isotope,X.Each circle represents 1 mmol of atoms. t = 0:
t = 25.0 s:
Which diagram best represents the sample at t = 50.0 s?
A) 
B) 
C) 
D) 
E) 
Correct Answer:

Verified
Correct Answer:
Verified
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