500 prompts matching "Chemistry at work: How Mendeleev's table predicted undiscovered elements"
Spot my mistake: Predicting a trend in the wrong direction
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Spot my mistake: The topics I keep getting wrong, and why
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Spot my mistake: Filling the 3d sublevel before the 4s
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Exam practice: The trend in metallic character and in oxide acidity
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Spot my mistake: Explaining a group trend by nuclear charge alone
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Exam practice: Metallic bonding and hydrogen bonding
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Spot my mistake: Describing a polar covalent bond as ionic
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Practice set: Converting between mass, moles and particles
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Practice set: Dalton's law of partial pressures
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Exam practice: Graham's law of diffusion
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
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Exam practice: Solubility expressed in different units
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Spot my mistake: Reading a solubility curve without checking the units
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Practice set: The hydrolysis of a salt of a strong acid and a weak base
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Spot my mistake: Assuming every salt solution is neutral
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Practice set: Isomerism among the alkanes
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Exam practice: Substitution with halogens, and the mechanism in outline
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Practice set: The addition reactions of the alkenes
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Spot my mistake: Predicting a substitution reaction for an alkene
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Practice set: The alkanoic acids and their naming
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