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The stability of an isotope is related to its ratio of

June 2018 NY Regents Chemistry Exam


27 The stability of an isotope is related to its ratio of (1) neutrons to positrons

(2) neutrons to protons

(3) electrons to positrons

(4) electrons to protons


Solution: The ratio of neutrons to protons determines the stability of an isotope.

Answer: 2


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