453 prompts matching "Identifying a salt from combined cation and anion tests"
Chemistry at work: Distillation in the Nigerian refining industry
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Chemistry at work: Analytical chemistry as a career in Nigeria
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Explain back: How atomic number identifies an element
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Exam practice: Isotopy, with examples of isotopes
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Spot my mistake: Thinking isotopes of an element react differently
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Chemistry at work: The historical models of the atom compared
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Teach me: Why chemists use symbols rather than words
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Explain back: What a chemical formula tells you
I have just studied what a chemical formula tells you in my SS1 Chemistry class. Let me ex
Spot my mistake: Writing a formula without balancing the charges
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Chemistry at work: The international agreement behind chemical symbols
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Teach me: What a chemical equation represents
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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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Exam practice: Ionic equations for neutralisation
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Spot my mistake: Leaving spectator ions in an ionic equation
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Calculation practice: Checking the charge balance in an ionic equation
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