450 prompts matching "Why some elements react vigorously and others hardly at all"
Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
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Explain back: Variable oxidation state, and why it arises
I have just studied variable oxidation state, and why it arises in my SS3 Chemistry class.
Practice set: Predicting from electrode potentials whether a reaction occurs
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Quiz me: The reactions taking place in the cement kiln
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Calculation practice: Comparing two elements using their trend data
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Practice set: Isomerism among the alkanes
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Spot my mistake: Writing an isomer that is really the same molecule
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Practice set: The addition reactions of the alkenes
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Spot my mistake: Predicting a substitution reaction for an alkene
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Calculation practice: Calculating the mass of product in an addition reaction
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Practice set: The displacement reactions of the halogens
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Teach me: What makes an element a transition metal
You are my personal SS3 Chemistry tutor. Teach me what makes an element a transition metal
Explain back: The flame test and the colours it gives
I have just studied the flame test and the colours it gives in my SS3 Chemistry class. Let
Spot my mistake: Adding excess reagent too early and losing a precipitate
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Chemistry at work: Recording observations and inferences in the WAEC format
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Quiz me: Testing for carbonate and for hydrogencarbonate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Practice set: Testing for chloride, bromide and iodide
Act as my SS3 Chemistry tutor. Give me five practice questions on testing for chloride, br