Physics · Structure of Atom
Isobars are atoms of different elements having the same mass number but different atomic numbers. In the notation AZX (where A is mass number and Z is atomic number), determine which pair consists of atoms that are NOT isobars.
- 1116X and 117Y
- 284X and 85Y
- 33517X and 3717Y✓
- 4126X and 128Y
Correct answer
3517X and 3717Y
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