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2.2 The periodic table

2.2 The periodic table

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Question 12
H

Element Z is in Period 4. It forms an ionic oxide with the formula Z2O\mathrm{Z_{2}O}Z2​O.

What is the electronic configuration of an atom of Z?

[1]
A

2.8.1

B

2.8.8

C

2.8.8.2

D

2.8.8.1

Markscheme

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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