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EnglandChemistryQuick questions
Topic 1: Key concepts in chemistry
Quick questions on Ionic bonding and the giant ionic lattice - Edexcel GCSE Chemistry
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the charge on an ion formed by a Group 2 metal and on an ion formed by a Group 7 non-metal. [2 marks]
What is q2?Show answer
Potassium () reacts with oxygen. Describe the electron transfer and give the formula of potassium oxide. [3 marks]
What is q3?Show answer
Explain why sodium chloride conducts electricity when dissolved in water but not when solid. [2 marks]
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