500 prompts matching "The trend in atomic and in ionic radius"
Exam practice: Ionisation and the formation of cations and anions
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Real-life Nigeria: Why some elements react vigorously and others hardly at all
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Chemistry at work: Electron configuration and the design of new materials
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Practice set: Writing the formulae of simple binary compounds
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Exam practice: The common radicals and the charges they carry
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Spot my mistake: Writing a formula without balancing the charges
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Project task: Making a reference card of symbols and radicals
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Chemistry at work: The international agreement behind chemical symbols
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Quiz me: Spectator ions and how to spot them
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Explain back: Writing an ionic equation from a full equation
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Project task: Converting a set of full equations into ionic form
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Practice set: Predicting valency from the group number
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Exam practice: The properties of Group 1, Group 7 and Group 0
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Calculation practice: Predicting the formula of a compound from group numbers
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Calculation practice: Predicting a compound's formula from the bonding type
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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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