500 prompts matching "The effect of fertiliser overuse on soil and water"
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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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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Quiz me: Periods, groups and blocks
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Practice set: Predicting valency from the group number
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Chemistry at work: How the periodic table came to be arranged as it is
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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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Exam practice: Coordinate or dative bonding
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Spot my mistake: Showing electron transfer in a covalent compound
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Teach me: The forces that act between molecules
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Practice set: How structure determines melting and boiling point
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Exam practice: Giant and simple molecular structures compared
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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