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CBSE
Class 9
Science
Exploration
Journey Inside the Atom
Question Bank

Which of the following stateme...

Single Answer MCQ
Q-00172094

Which of the following statements is true regarding mass number and atomic number?

1

Mass number = Number of protons

2

Mass number = Protons + Neutrons

3

Atomic number = Protons + Neutrons

4

Atomic number = Mass number - Neutrons

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