500 prompts matching "What makes an element a transition metal"
Practice set: Decantation, and when it is appropriate
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Exam practice: Evaporation to dryness and its limitations
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Spot my mistake: Choosing decantation where filtration is needed
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Real-life Nigeria: Separating mixtures in a Nigerian kitchen
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Teach me: Crystallisation, and how it purifies a solid
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Teach me: Chromatography and the principle behind it
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Quiz me: Paper chromatography and how it is carried out
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Exam practice: Magnetic separation and the use of a separating funnel
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Calculation practice: Calculating an Rf value from measurements
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Teach me: The subatomic particles and the charge each carries
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Real-life Nigeria: Radioactive isotopes and their uses in Nigeria
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Teach me: Electron shells and the maximum each can hold
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Quiz me: Writing out an 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
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Teach me: Why chemists use symbols rather than words
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Explain back: What a chemical formula tells you
I have just studied what a chemical formula tells you in my SS1 Chemistry class. Let me ex
Exam practice: The common radicals and the charges they carry
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