Chemistry · Atomic Structure
Which of the following pairs does NOT represent isotopes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1H - 1, H - 2 and H - 3
- 2Cl - 35 and Cl - 37
- 3C - 12 and C - 14
- 4Ca - 40 and Ar - 40✓
Correct answer
Ca - 40 and Ar - 40
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