500 prompts matching "The occurrence of aluminium and the ore bauxite"
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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Calculation practice: Working out relative molecular mass from a formula
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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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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Real-life Nigeria: Equations for reactions seen in Nigerian daily life
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Chemistry at work: Why balanced equations matter in industry
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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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Chemistry at work: Ionic equations in analytical work
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Exam practice: Coordinate or dative bonding
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Spot my mistake: Showing electron transfer in a covalent compound
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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Calculation practice: Predicting relative boiling points from structure
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Calculation practice: Solving a Boyle's law problem numerically
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