Chemistry · May / June 2025 · Paper 11 · Question 4
5070Isotopes
Which definition of isotopes is correct?
- Aatoms of different elements that have the same number of electrons
- Batoms of different elements that have the same number of neutrons
- Catoms of the same element that have different numbers of electrons
- Datoms of the same element that have different numbers of neutrons
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Correct answer: D. atoms of the same element that have different numbers of neutrons
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