Which of the following quantities remain unchanged in every nuclear reaction?

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Which of the following quantities remain unchanged in every nuclear reaction? (a) Only mass number (A)(A) (b) Only total mass of the system (c) Both mass number (A)(A) and atomic number (Z)(Z) (d) Only atomic number (Z)(Z)

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