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2.2 Bonding

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Question 30

Element Z reacts with potassium to form an ionic compound with the formula K2Z\mathrm{K_{2}Z}K2​Z.

a.

Deduce the group of the Periodic Table that contains element Z. Explain your reasoning.

[2]
b.

Aluminium has atomic number 13. Predict the formula of the ionic compound formed between aluminium and element Z. Explain your answer.

[2]
Markscheme

2.2 Bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.2 Bonding

122 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.

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