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Which of the following pairs represents ...

Which of the following pairs represents isobars?

A

`._(19)K^(40)` and `._(11)Na^(23)`

B

`._(2)He^(3)` and `._(2)He^(4)`

C

`._(12)Mg^(24)` and `._(12)Mg^(25)`

D

`._(19)K^(40)` and `._(20)Ca^(40)`

Text Solution

Verified by Experts

The correct Answer is:
D
Isobars have same atomic mass number.
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