222 prompts matching "Isotopes, and why they exist"
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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Calculation practice: Working out the change in oxidation number
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Practice set: Balancing a redox equation by half-equations
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Calculation practice: Balancing a redox equation in acidic solution
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Teach me: The general physical properties of metals
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Quiz me: Where the metals sit in the periodic table
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Calculation practice: Comparing metals by a density calculation
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Practice set: Extraction by electrolysis
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Exam practice: The extraction of iron in the blast furnace
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Teach me: The general physical properties of non-metals
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Quiz me: Where the non-metals sit in the periodic table
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Exam practice: The halogens as a family of non-metals
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Spot my mistake: Assuming all non-metals are gases
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Calculation practice: Predicting a non-metal's valency from its group
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Quiz me: The hydrides of the non-metals
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Exam practice: The tests that identify the common non-metal gases
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