457 prompts matching "Treating carbon dioxide as a toxic pollutant"
Calculation practice: Reading a distillation temperature curve
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Chemistry at work: Distillation in the Nigerian refining industry
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Quiz me: Paper chromatography and how it is carried out
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Explain back: The Rf value and what it tells you
I have just studied the Rf value and what it tells you in my SS1 Chemistry class. Let me e
Exam practice: Magnetic separation and the use of a separating funnel
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Quiz me: The nucleus and what it contains
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Explain back: How atomic number identifies an element
I have just studied how atomic number identifies an element in my SS1 Chemistry class. Let
Practice set: Working out the particles present in a given atom
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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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Quiz me: Writing out an electron configuration
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Explain back: The octet rule and chemical stability
I have just studied the octet rule and chemical stability in my SS1 Chemistry class. Let m
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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Calculation practice: Deducing valency from a given configuration
Act as my SS1 Chemistry tutor. Walk me through deducing valency from a given configuration
Real-life Nigeria: Why some elements react vigorously and others hardly at all
Act as my SS1 Chemistry tutor. Show me where why some elements react vigorously and others