250 prompts matching "Valency, and how it is worked out from configuration"
Exam practice: The reactivity series and how it is established
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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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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Calculation practice: Predicting a non-metal's valency from its group
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Spot my mistake: Predicting products without considering concentration
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Spot my mistake: Naming a compound without first finding the longest chain
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Calculation practice: Working out the repeating unit from a polymer structure
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Practice set: The electrolysis of brine and the products it gives
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Quiz me: The standard solution and how one is prepared
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Practice set: The apparatus of volumetric analysis and its correct use
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Practice set: The solubility curve, and how to read it
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Chemistry at work: The petrochemicals made from oil and gas
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Chemistry at work: Metalloids, and where they sit between the two
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Real-life Nigeria: Back titration, and when it is used
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Quiz me: Addition polymerisation and the products it gives
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Explain back: Condensation polymerisation and the products it gives
I have just studied condensation polymerisation and the products it gives in my SS2 Chemis
Real-life Nigeria: Plastic waste and its disposal in Nigerian cities
Act as my SS2 Chemistry tutor. Show me where plastic waste and its disposal in Nigerian ci