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This question belongs to Mechanical Engineering Power Plant Engineering

Power Plant Engineering

?

The mass number of a substance represents the sum of total number of

A) Protons and neutrons in an atom B) Protons and electrons in an atom C) Neutrons and electrons in an atom D) Protons and neutrons in a nucleus

Answer & Solution

Correct Answer: Option D

The mass number of a substance represents the sum of total number of Protons and neutrons in a nucleus

Question posted by Examveda

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