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2.2 The periodic table

2.2 The periodic table

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Question 19

An atom of an unknown element XXX has the electronic configuration 2.8.18.32.8.18.32.8.18.3.

Explain how the electronic configuration of element XXX is linked to its period in the periodic table.

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2.2 The periodic table Questions

  1. GCSE
  2. /Chemistry
  3. /2.2 The periodic table

80 exam-style questions on Edexcel GCSE Chemistry 2.2 The periodic table, covering 2.2.1 Mendeleev's periodic table, 2.2.2 Periods, groups, metals and non-metals, and 2.2.3 Electronic configuration and position in the periodic table. Each one has a worked solution and a mark scheme showing where the marks go.

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