Why do isotopes of an element exhibit identical chemical properties?

Type: MCQ • Marks: 1

A. Because they have the same number of valence electrons and atomic number

B. Because they are radioactive

C. Because they have equal neutrons

D. Because they have different mass numbers

Explanation

Chemical behavior is determined by electronic configuration (atomic number Z), which is identical across isotopes.

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Class 9th Science (MCQ)

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