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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?
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Lone pairs repel more, so each lone pair lowers the bond angle by about 2.52.5^{\circ}.
What is q1?
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State the shape and bond angle of a methane molecule. [2 marks]
What is q2?
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Explain why magnesium has a higher melting point than sodium. [2 marks]

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