500 prompts matching "The formation of an ionic bond in sodium chloride"
Practice set: Predicting valency from the group number
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Chemistry at work: How the periodic table came to be arranged as it is
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Spot my mistake: Showing electron transfer in a covalent compound
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Quiz me: Van der Waals forces and where they matter
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Practice set: How structure determines melting and boiling point
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Explain back: Charles's law stated and illustrated
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Practice set: The pressure law and its graph
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Exam practice: Converting between Celsius and Kelvin
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Spot my mistake: Leaving the temperature in Celsius in a gas calculation
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Teach me: Combining the three gas laws into one
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Explain back: Standard temperature and pressure defined
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Exam practice: The ideal gas equation and the molar gas constant
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Chemistry at work: Gas calculations in Nigerian industry
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Exam practice: Solubility and the factors that affect it
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Real-life Nigeria: The water cycle and its importance
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Practice set: Removing permanent hardness from water
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Exam practice: Where hard water helps, and where it hinders
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Real-life Nigeria: Water pollution and its sources in Nigeria
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