250 prompts matching "Variable oxidation state, and why it arises"
Calculation practice: Working out the change in oxidation number
Act as my SS2 Chemistry tutor. Walk me through working out the change in oxidation number
Calculation practice: Preparing a solution of a stated concentration
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Spot my mistake: Predicting ionic character from electronegativity difference
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Calculation practice: Working out the formula of an ionic compound from its charges
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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
You are my personal SS2 Chemistry tutor. Teach me the metallic bond and the delocalised el
Spot my mistake: Explaining metallic conductivity by the movement of ions
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Calculation practice: Predicting a substance's structure from its properties
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Real-life Nigeria: Alloys, and the reasons they are made
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Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Quiz me: Identifying the oxidising agent and the reducing agent
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Chemistry at work: Redox reactions in batteries and cells
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Quiz me: Where the metals sit in the periodic table
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Spot my mistake: Assuming every metal is hard and dense
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Calculation practice: Comparing metals by a density calculation
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Teach me: Ores, and what extraction means
You are my personal SS2 Chemistry tutor. Teach me ores, and what extraction means, using a
Quiz me: Where the non-metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the non-metals sit in the periodic tabl
Calculation practice: Predicting a non-metal's valency from its group
Act as my SS2 Chemistry tutor. Walk me through predicting a non-metal's valency from its g