250 prompts matching "What corrosion is, and what rusting requires"
Spot my mistake: Predicting ionic character from electronegativity difference
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Practice set: Giant structures and simple molecular structures compared
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Exam practice: The structures of diamond, graphite and silica
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Real-life Nigeria: Alloys, and the reasons they are made
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
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Quiz me: Recognising oxidation in a given equation
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Practice set: Assigning oxidation numbers in compounds and in ions
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Exam practice: Identifying the species oxidised in a reaction
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Teach me: Reduction defined, and always paired with oxidation
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Practice set: Density, melting point and hardness across the metals
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Quiz me: The link between reactivity and the method of extraction
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Practice set: Extraction by electrolysis
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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