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CBSE
Class 9
Science
Exploration
Journey Inside the Atom
Question Bank

Which of the following stateme...

Single Answer MCQ
Q-00172113

Which of the following statements about isotopes is true?

1

Isotopes have the same mass number.

2

Isotopes have the same atomic number.

3

Isotopes have different chemical properties.

4

Isotopes contain different numbers of protons.

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