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2.2 Bonding

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Question 8

Potassium reacts with sulfur to form potassium sulfide.

Which statement describes the particles in solid potassium sulfide?

[1]
A

Potassium sulfide molecules with weak forces between them

B

Positive potassium ions in a sea of delocalised electrons

C

Positive potassium ions and negative sulfide ions

D

Potassium and sulfur atoms sharing pairs of electrons

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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