278 prompts matching "How a soap molecule lifts away dirt"
Real-life Nigeria: Chromatography in Nigerian food and drug testing
Act as my SS1 Chemistry tutor. Show me where chromatography in Nigerian food and drug test
Chemistry at work: Analytical chemistry as a career in Nigeria
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on analyt
Practice set: Working out the particles present in a given atom
Act as my SS1 Chemistry tutor. Give me five practice questions on working out the particle
Exam practice: Isotopy, with examples of isotopes
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Spot my mistake: Thinking isotopes of an element react differently
Act as my SS1 Chemistry tutor. Show me a worked answer on thinking isotopes of an element
Real-life Nigeria: Radioactive isotopes and their uses in Nigeria
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Chemistry at work: The historical models of the atom compared
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Practice set: Valency deduced from electron configuration
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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
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an ion the same configura
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
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on electr
Practice set: Writing the formulae of simple binary compounds
Act as my SS1 Chemistry tutor. Give me five practice questions on writing the formulae of
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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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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Chemistry at work: The international agreement behind chemical symbols
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Practice set: Writing an equation from a described reaction
Act as my SS1 Chemistry tutor. Give me five practice questions on writing an equation from
Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
Act as my SS1 Chemistry tutor. Show me a worked answer on altering subscripts in order to