241 prompts matching "How atomic number identifies an element"
Spot my mistake: Predicting ionic character from electronegativity difference
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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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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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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Spot my mistake: Describing a non-metal oxide as basic
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Spot my mistake: Predicting products without considering concentration
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Spot my mistake: Rinsing the burette with water before filling it
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Real-life Nigeria: Equilibrium in the Haber process
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Practice set: The stages of municipal water treatment
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Exam practice: The tests for water purity
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