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Northern IrelandChemistryQuick questions
AS 2 Further Physical and Inorganic Chemistry and an Introduction to Organic Chemistry
Quick questions on Periodic trends: atomic radius, ionisation energy and Period 3 - CCEA A-Level Chemistry
2short 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
Explain why the atomic radius decreases across Period 3. [2 marks]
What is q2?Show answer
Explain why silicon has the highest melting point in Period 3. [2 marks]
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