Physics (AS & A Level) · May / June 2020 · Paper 11 · Question 39
9702Atoms, nuclei and radiation
An element has two isotopic forms. What are the nuclear arrangements of these two isotopes?
- AThey have different nucleon numbers and different proton numbers.
- BThey have different nucleon numbers but the same proton number.
- CThey have the same nucleon number and the same proton number.
- DThey have the same nucleon number but different proton numbers.
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Correct answer: B. They have different nucleon numbers but the same proton number.
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