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CBSE
Class 9
Science
Exploration
Journey Inside the Atom
Question Bank

What concept is explained by t...

Single Answer MCQ
Q-00172100

What concept is explained by the relationship between atomic number and isotopes?

1

Isotopes have different atomic numbers

2

Isotopes are different elements

3

Isotopes have identical atomic numbers but varying mass numbers

4

Isotopes are solely defined by the number of protons

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