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Atomic structure

Atomic structure

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Question 1

Dmitri Mendeleev published his periodic table in 1871, long before the discovery of subatomic particles. The modern periodic table is built upon our current understanding of atomic structure.

Describe three key differences between Mendeleev's periodic table and the modern periodic table, explaining how these differences relate to modern concepts of atomic structure (such as protons, neutrons, isotopes, or electrons).

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Markscheme

Atomic structure Questions

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

77 exam-style questions on OCR GCSE Chemistry Atomic structure. Each one has a worked solution and a mark scheme showing where the marks go.

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