Chemistry · May / June 2024 · Paper 11 · Question 4
5070Isotopes
Which particles are isotopes of the same element? | particle | electrons | neutrons | protons | |---|---|---|---| | W | 22 | 28 | 25 | | X | 23 | 28 | 25 | | Y | 26 | 30 | 26 | | Z | 26 | 28 | 26 |
- AW and X
- BW and Z
- CX and Z
- DY and Z
As printed in the paper
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Correct answer: D. Y and Z
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