500 prompts matching "Calculations on extraction yield and composition"
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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Teach me: What a chemical equation represents
You are my personal SS1 Chemistry tutor. Teach me what a chemical equation represents, usi
Explain back: The state symbols and what each of them means
I have just studied the state symbols and what each of them means in my SS1 Chemistry clas
Practice set: Writing an equation from a described reaction
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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Chemistry at work: Why balanced equations matter in industry
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Practice set: Ionic equations for precipitation reactions
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Exam practice: Ionic equations for neutralisation
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Spot my mistake: Leaving spectator ions in an ionic equation
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Chemistry at work: Ionic equations in analytical work
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Quiz me: Periods, groups and blocks
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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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Real-life Nigeria: The elements Nigeria mines, and where they sit in the table
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Teach me: Why atoms form chemical bonds
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Exam practice: Coordinate or dative bonding
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Spot my mistake: Showing electron transfer in a covalent compound
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