Isobars have the same ______?
PPSC 5 Years Past Papers Subject Wise (Solved with Details) / All — Multiple-choice practice
آئسوبارس ایک ہی ______ ہے؟
- A. None of the above
- B. Neutrons
- C. Atomic number
- D. Mass number
Correct answer
Mass number
Explanation
Explanation Isobars are atoms of different elements. They have same mass number but different atomic number . They show different chemical properties but same nuclear mass . Example : Argon -40 and Calcium -40 both have mass number 40 but different atomic numbers. Last verified on 07-05-2026
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