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Question
Choose the correct option.
\[\ce{^60_27CO}\] decays with a half-life of 5.27 years to produce \[\ce{^60_28Ni}\]. What is the decay constant for such radioactive disintegration?
Options
0.132 y-1
0.138
29.6 y
13.8%
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Solution
0.132 y-1
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