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Atomic structure

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Question 76

Element X has an atomic number of 17.

In a sample of X, there are two isotopes. One isotope has a mass number of 35 and the other isotope has a mass number of 37.

Explain, in terms of subatomic particles, what is meant by the term isotopes.

[2]

Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /Atomic structure