250 prompts matching "Exam practice: The electron configuration of the first twenty elements"
Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Calculation practice: A mixed set of first-term SS2 chemistry calculations
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Calculation practice: Working out the formula of an ionic compound from its charges
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Exam practice: Identifying the species oxidised in a reaction
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Exam practice: The common oxidising and reducing agents and their tests
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Exam practice: The reactivity series and how it is established
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Exam practice: The tests that identify the common non-metal gases
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Calculation practice: Calculating the volume of a gas from a given mass
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Exam practice: The procedure for a standard acid-base titration
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Calculation practice: Calculating the purity of a sample from titration data
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Exam practice: The tests for water purity
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Calculation practice: Calculating the mass of washing soda needed to soften water
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Exam practice: Solutions, water and the atmosphere reviewed
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Exam practice: The IUPAC rules for naming straight-chain hydrocarbons
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Exam practice: How alkenes react by addition across the double bond
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Calculation practice: Calculating the products of complete combustion
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Calculation practice: Calculating the yield of an esterification
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Calculation practice: Calculating the yield of a named fraction
Act as my SS2 Chemistry tutor. Walk me through calculating the yield of a named fraction a