76 prompts matching "Deducing valency from a given configuration"
Calculation practice: Predicting a non-metal's valency from its group
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Calculation practice: Calculating the volume of a gas from a given mass
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Calculation practice: Deducing a molecular formula from a general formula
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Quiz me: Recognising oxidation in a given equation
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Quiz me: Catenation and the tetravalency of carbon
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Spot my mistake: Predicting ionic character from electronegativity difference
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Calculation practice: Working out the formula of an ionic compound from its charges
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Calculation practice: Predicting a substance's structure from its properties
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Calculation practice: Calculating pH from hydrogen ion concentration
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Calculation practice: Calculating the purity of a sample from titration data
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Calculation practice: Calculating rate from a graph of concentration against time
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Quiz me: The major air pollutants and where they come from
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Real-life Nigeria: The test that distinguishes an alkane from an alkene
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Calculation practice: Working out the repeating unit from a polymer structure
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Quiz me: The fractions obtained from crude oil
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Chemistry at work: The petrochemicals made from oil and gas
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Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Calculation practice: Calculating the mass of iron from a mass of ore
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