Chemistry · May / June 2020 · Paper 11 · Question 7
5070Isotopes
Which definition of isotopes is correct?
- Aatoms of different elements which have the same number of electrons
- Batoms of different elements which have the same number of neutrons
- Catoms of the same element which have different numbers of electrons
- Datoms of the same element which have different numbers of neutrons
As printed in the paper
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Correct answer: D. atoms of the same element which have different numbers of neutrons
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