500 prompts matching "Assigning an oxidation number to the wrong atom"
Chemistry at work: How spectra reveal electronic structure
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Spot my mistake: Explaining a group trend by nuclear charge alone
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Spot my mistake: Describing a polar covalent bond as ionic
Act as my SS3 Chemistry tutor. Show me a worked answer on describing a polar covalent bond
Calculation practice: Predicting bond type from electronegativity difference
Act as my SS3 Chemistry tutor. Walk me through predicting bond type from electronegativity
Calculation practice: Multi-step mole conversions
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
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Project task: Plotting a solubility curve from my own measurements
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Spot my mistake: Assuming pH 7 is neutral at every temperature
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Spot my mistake: Assuming every salt solution is neutral
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Spot my mistake: Proposing carbon reduction for aluminium
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Project task: Mapping Nigeria's metal ore deposits
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Spot my mistake: Describing aluminium oxide as purely basic
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Spot my mistake: Predicting that iodine displaces chlorine
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Exam practice: Identifying cations with aqueous ammonia
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Exam practice: Nuclear chemistry reviewed
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Exam practice: Past-question physical chemistry problems
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Exam practice: A full objective paper under examination conditions
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Exam practice: Concentration expressed in moles per cubic decimetre
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Exam practice: Graham's law of diffusion
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Exam practice: Solubility expressed in different units
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