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2.2 The periodic table

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Question 5
F

The diagram shows part of the periodic table. The first period is omitted. W, X, Y and Z are position labels, not chemical symbols.

image

a.

Use the positions of W and X to give the electronic configuration of each atom. Explain how you used both the period and the group.

[4]
b.

A student puts Y in Group 3 because it lies to the right of W. Explain why this is incorrect, and state the type of element represented by Y.

[2]
c.

Explain why arranging elements by increasing atomic number gives a more reliable order than simply arranging them by increasing relative atomic mass.

[2]
Markscheme

2.2 The periodic table Questions

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

50 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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