Which of the following pairs represents isobars?

Type: MCQ • Marks: 1

A. ¹²₆C and ¹⁴₆C

B. ¹H and ²H

C. ⁴⁰₁₈Ar and ⁴⁰₂₀Ca

D. ³⁵₁₇Cl and ³⁷₁₇Cl

Explanation

Argon-40 and Calcium-40 share mass number 40 while having different atomic numbers.

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Class 9th Science (MCQ)

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