500 prompts matching "The rules for assigning oxidation numbers"
Chemistry at work: How models of the atom developed over time
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Exam practice: The relation between configuration and position in the periodic table
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Explain back: Temperature and the kinetic energy of particles
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Exam practice: Sublimation and the substances that show it
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Explain back: The law of multiple proportions
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Exam practice: The volume one mole of any gas occupies at s.t.p.
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Exam practice: Naming acids and the salts derived from them
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Exam practice: The ideal gas equation and the gas constant
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Calculation practice: Calculating the volume of a gas at s.t.p.
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Explain back: The limiting reagent, and how to identify it
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Calculation practice: Calculating the volume of gas produced in a reaction
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Exam practice: The pH scale and what it measures
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Calculation practice: Calculating the concentration of an acid solution
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Explain back: The methods of preparing a soluble salt
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Exam practice: Neutralisation and the reaction it describes
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Explain back: The trend in atomic radius across a period
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Exam practice: The trend in metallic and non-metallic character
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Exam practice: The laboratory preparation of hydrogen
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Explain back: The laboratory preparation of oxygen
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Exam practice: Combustion and the conditions it requires
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