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EnglandChemistryQuick questions
Module 2: Foundations in chemistry (2.2 Electrons, bonding and structure)
Quick questions on Electrons, Bonding and Structure (2.2) - OCR A-Level Chemistry A
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 are equal repulsion for all electron pairs?Show answer
Lone pairs repel more, so each lone pair lowers the bond angle by about .
What is q1?Show answer
State the shape and bond angle of a methane molecule. [2 marks]
What is q2?Show answer
Explain why magnesium has a higher melting point than sodium. [2 marks]
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