225 prompts matching "Why some elements react vigorously and others hardly at all"
Exam practice: Single, double and triple covalent bonds
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Teach me: The metallic bond and the delocalised electrons
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Explain back: Malleability and ductility in terms of structure
I have just studied malleability and ductility in terms of structure in my SS2 Chemistry c
Practice set: Giant structures and simple molecular structures compared
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Exam practice: The structures of diamond, graphite and silica
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Real-life Nigeria: Alloys, and the reasons they are made
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
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Practice set: Assigning oxidation numbers in compounds and in ions
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Teach me: Reduction defined, and always paired with oxidation
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Quiz me: Identifying the oxidising agent and the reducing agent
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Exam practice: The common oxidising and reducing agents and their tests
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Practice set: Density, melting point and hardness across the metals
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Spot my mistake: Assuming every metal is hard and dense
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Teach me: Ores, and what extraction means
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Explain back: The allotropes shown by some non-metals
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Practice set: The chemical behaviour of metals and non-metals compared
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Chemistry at work: Metalloids, and where they sit between the two
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