500 prompts matching "Examining the nitrogen content stated on a fertiliser bag"
Exam practice: Magnetic separation and the use of a separating funnel
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Quiz me: The nucleus and what it contains
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Teach me: Electron shells and the maximum each can hold
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Exam practice: Ionisation and the formation of cations and anions
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Chemistry at work: Electron configuration and the design of new materials
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Exam practice: The common radicals and the charges they carry
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Chemistry at work: The international agreement behind chemical symbols
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Teach me: Ionic equations and what they leave out
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Quiz me: Spectator ions and how to spot them
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Calculation practice: Checking the charge balance in an ionic equation
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Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Explain back: How position in the table relates to electron configuration
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Calculation practice: Predicting the formula of a compound from group numbers
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Quiz me: Ionic bonding and the transfer of electrons
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Explain back: Covalent bonding and the sharing of electrons
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Calculation practice: Predicting a compound's formula from the bonding type
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Real-life Nigeria: The properties ionic and covalent compounds show
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