250 prompts matching "The mole as the bridge between mass and particles"
Quiz me: The link between reactivity and the method of extraction
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Chemistry at work: Metalloids, and where they sit between the two
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Calculation practice: Calculating the volume of a gas from a given mass
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Calculation practice: Calculating the mass of washing soda needed to soften water
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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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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Real-life Nigeria: Alloys, and the reasons they are made
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Teach me: The Bronsted-Lowry definition of acids and bases
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Spot my mistake: Treating concentration and strength as the same thing
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Exam practice: The procedure for a standard acid-base titration
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Chemistry at work: The petrochemicals made from oil and gas
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Practice set: The formation of a covalent bond in a simple molecule
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Practice set: Giant structures and simple molecular structures compared
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Exam practice: The structures of diamond, graphite and silica
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Practice set: Assigning oxidation numbers in compounds and in ions
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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