250 prompts matching "The alkali metals and the halogens as families"
Exam practice: The halogens as a family of non-metals
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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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Calculation practice: Calculating the mass of metal obtainable from an ore
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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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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Exam practice: The tests that identify the common non-metal gases
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Explain back: Metals and their extraction reviewed
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Practice set: Non-metals and their compounds reviewed
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Teach me: The metallic bond and the delocalised electrons
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Real-life Nigeria: Alloys, and the reasons they are made
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Teach me: The oxides of non-metals and their acidic nature
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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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Quiz me: The properties that metallic bonding explains
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Quiz me: Where the metals sit in the periodic table
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