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A Research Article Indicates That Researchers Have Used an Isotope

Question 44

Multiple Choice

A research article indicates that researchers have used an isotope 3H to trace a certain metabolic process. From the symbol that is given, we know this is a hydrogen isotope with


A) three protons.
B) three neutrons.
C) three electrons.
D) one proton and two neutrons.
E) two protons and one neutron.

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