IdentificationEasy2 marks
In the following atoms, which one is a radioisotope? Give one use of this isotope. O16, C14, N14, He4
Topic: Radioisotopes and uses
Question wording verified against source paper
Answer
Exam answer
¹⁴₆C (carbon-14); it is used for carbon dating.
Explanation
Carbon-14 is radioactive and is used to estimate the age of once-living materials.
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