500 prompts matching "Chemistry at work: How models of the atom developed over time"
Spot my mistake: Assuming boiling removes every impurity from water
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Practice set: Half-life and the decay curve
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Exam practice: Nuclear fission and the chain reaction
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Spot my mistake: Balancing a nuclear equation without conserving charge
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Exam practice: Nuclear chemistry reviewed
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Practice set: A mixed set on the gas laws and the mole concept
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Exam practice: Past-question physical chemistry problems
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Practice set: A mixed set on metals, non-metals and their compounds
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Exam practice: Past-question inorganic chemistry problems
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Exam practice: Past-question organic chemistry problems
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Spot my mistake: Writing an inference where only an observation is asked for
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Practice set: Carrying out a titration to concordant results
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Practice set: Gas volume and stoichiometry calculations
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Exam practice: Concentration, dilution and titration calculations
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Spot my mistake: Losing marks by dropping units mid-calculation
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Spot my mistake: Predicting a trend in the wrong direction
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Exam practice: A full objective paper under examination conditions
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Spot my mistake: The topics I keep getting wrong, and why
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Practice set: Writing s, p and d electron configurations
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Spot my mistake: Filling the 3d sublevel before the 4s
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