241 prompts matching "How atomic number identifies an element"
Practice set: Assigning oxidation numbers in compounds and in ions
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Calculation practice: Working out the change in oxidation number
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Quiz me: Identifying the oxidising agent and the reducing agent
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Exam practice: The reactivity series and how it is established
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Practice set: Amphoteric substances and how they behave
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Quiz me: The standard solution and how one is prepared
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Practice set: The solubility curve, and how to read it
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Exam practice: Identifying the species oxidised in a reaction
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Exam practice: The tests that identify the common non-metal gases
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Exam practice: Single, double and triple covalent bonds
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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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Real-life Nigeria: Alloys, and the reasons they are made
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Practice set: Balancing a redox equation by half-equations
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Exam practice: The common oxidising and reducing agents and their tests
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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