250 prompts matching "Chemistry at work: How Mendeleev's table predicted undiscovered elements"
Calculation practice: Deducing a molecular formula from a general formula
Act as my SS2 Chemistry tutor. Walk me through deducing a molecular formula from a general
Calculation practice: Calculating the products of complete combustion
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Real-life Nigeria: The test that distinguishes an alkane from an alkene
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Calculation practice: Calculating the yield of an esterification
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Real-life Nigeria: Fermentation and local alcohol production in Nigeria
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Calculation practice: Calculating the yield of a named fraction
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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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Calculation practice: Calculating the amount remaining after several half-lives
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Calculation practice: Calculating output and efficiency for a plant
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Real-life Nigeria: The SS2 Chemistry topics I still need to practise
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Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
Quiz me: The formation of an ionic bond in sodium chloride
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Explain back: The lattice structure of an ionic compound
I have just studied the lattice structure of an ionic compound in my SS2 Chemistry class.
Quiz me: The properties that metallic bonding explains
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
You are my personal SS2 Chemistry tutor. Teach me oxidation defined by oxygen, by hydrogen
Quiz me: Recognising oxidation in a given equation
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Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Teach me: Reduction defined, and always paired with oxidation
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry