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Rnaprh Rnaprh
wrote...
Posts: 547
Rep: 1 0
6 years ago
A(n) _____ is a molecule into which a radioisotope has been incorporated.
 
  a. compound c. salt
  b. tracer d. acid

Question 2

In the periodic table, symbols for the elements are arranged according to _____.
 
  a. size c. mass number
  b. charge d. atomic number
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Replies
wrote...
6 years ago
Answer to q. 1

B

Answer to q. 2

D
Rnaprh Author
wrote...
6 years ago
White Heavy Checkmark Correct!
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