500 prompts matching "Chemistry at work: The Nigerian iron and steel industry"
Practice set: Sublimation as a method of separation
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Calculation practice: Calculating an Rf value from measurements
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Practice set: Valency deduced from electron configuration
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Calculation practice: Deducing valency from a given configuration
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Practice set: Writing the formulae of simple binary compounds
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Spot my mistake: Writing a formula without balancing the charges
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Teach me: What a chemical equation represents
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Practice set: Writing an equation from a described reaction
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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Calculation practice: Checking that an equation balances by counting atoms
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Practice set: Ionic equations for precipitation reactions
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Exam practice: Ionic equations for neutralisation
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Spot my mistake: Leaving spectator ions in an ionic equation
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Teach me: The arrangement of the modern periodic table
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Practice set: Predicting valency from the group number
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Teach me: Why atoms form chemical bonds
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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