469 prompts matching "Drawing dot-and-cross diagrams for simple molecules"
Exam practice: Concentration, dilution and titration calculations
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Calculation practice: Percentage purity, yield and composition calculations
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Real-life Nigeria: Checking an answer for physical sense
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Explain back: Limiting reagent problems, and how to spot the limit
I have just studied limiting reagent problems, and how to spot the limit in my SS3 Chemist
Exam practice: The transition elements and their distinguishing features
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Explain back: Planning a theory answer before writing it
I have just studied planning a theory answer before writing it in my SS3 Chemistry class.
Real-life Nigeria: What to do in the last week before the examination
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Explain back: The filling of energy levels and sublevels
I have just studied the filling of energy levels and sublevels in my SS3 Chemistry class.
Project task: Building a configuration chart for the first thirty elements
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Exam practice: The trend in metallic character and in oxide acidity
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Explain back: Covalent bonding, polar and non-polar
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Exam practice: Metallic bonding and hydrogen bonding
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Chemistry at work: Bonding and the strength of engineering materials
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Explain back: The mole ratio and how it is read
I have just studied the mole ratio and how it is read in my SS3 Chemistry class. Let me ex
Exam practice: Mass-to-volume and volume-to-volume calculations
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Calculation practice: Limiting reagent and percentage yield calculations
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Explain back: The combined gas equation and the ideal gas equation
I have just studied the combined gas equation and the ideal gas equation in my SS3 Chemist
Explain back: The solubility curve and what it shows
I have just studied the solubility curve and what it shows in my SS3 Chemistry class. Let
Explain back: The ionic product of water and the pH scale
I have just studied the ionic product of water and the pH scale in my SS3 Chemistry class.
Chemistry at work: PH control in Nigerian food and water industries
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on pH con