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Atomic structure

Atomic structure

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Question 13

The table shows the percentage abundance of the isotopes in a sample of magnesium:

Isotope24Mg^{24}\text{Mg}24Mg25Mg^{25}\text{Mg}25Mg26Mg^{26}\text{Mg}26Mg
Percentage abundance (%)79.010.011.0

Calculate the relative atomic mass of this sample of magnesium. Give your answer to one decimal place.

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Markscheme

Atomic structure Questions

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

41 exam-style questions on Edexcel IGCSE Chemistry Atomic structure. Each one has a worked solution and a mark scheme showing where the marks go.

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