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Study the nuclear reactions given in the scheme below and answer the questions that follow. `overset 12 6 C overset (step I) vec` `overset 14 6 C overset (step II) vec` `overset 14 7`N (a) `overset 12 6` C and `overset 14 6 C` are isotopes. What is meant by the term isotope? (b) Write an equation for the nuclear reaction in step II
(c) Give one use of `overset 14 6`C .