Interpretation : The age of the object is to be calculated.
Concept Introduction : The phrase "radioactive decay" is used to describe the radioactivity occurrence. Radioactive elements are those elements or isotopes that release radiation and undergo radioactivity.
Answer to Problem 76A
The age of the object is
Explanation of Solution
The carbon-14 content produces 4 counts per minute per gram of carbon.
The carbon-14 content that produces 16 counts per minute per gram of carbon.
The number of carbon-14 decayed is given as
It is
One half-life is
Two half-lives old is given as
So, the age of the object is
Chapter 25 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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