21. Nuclear Chemistry
Rate of Radioactive Decay
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30PRACTICE PROBLEM
The following graph shows the radioactive decay of an unknown isotope. Using the information presented in the graph, determine the half-life of the unknown isotope.
The following graph shows the radioactive decay of an unknown isotope. Using the information presented in the graph, determine the half-life of the unknown isotope.
ANSWERS OPTIONS
A
120 hrs
B
100 hrs
C
140 hrs
D
50 hrs
E
75 hrs