250 prompts matching "Writing the formula of a compound from valencies"
Calculation practice: Calculating the yield of a named fraction
Act as my SS2 Chemistry tutor. Walk me through calculating the yield of a named fraction a
Chemistry at work: The petrochemicals made from oil and gas
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the pe
Explain back: The role of limestone and the removal of slag
I have just studied the role of limestone and the removal of slag in my SS2 Chemistry clas
Exam practice: Mild, medium and high carbon steel, and the use of each
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Chemistry at work: The benefits and the hazards of nuclear chemistry
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Spot my mistake: The errors most often made in third-term SS2 Chemistry
Act as my SS2 Chemistry tutor. Show me a worked answer on the errors most often made in th
Practice set: Assigning oxidation numbers in compounds and in ions
Act as my SS2 Chemistry tutor. Give me five practice questions on assigning oxidation numb
Spot my mistake: Predicting ionic character from electronegativity difference
Act as my SS2 Chemistry tutor. Show me a worked answer on predicting ionic character from
Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Quiz me: The properties that metallic bonding explains
Act as my SS2 Chemistry tutor and quiz me on the properties that metallic bonding explains
Explain back: Malleability and ductility in terms of structure
I have just studied malleability and ductility in terms of structure in my SS2 Chemistry c
Calculation practice: Predicting a substance's structure from its properties
Act as my SS2 Chemistry tutor. Walk me through predicting a substance's structure from its
Quiz me: Identifying the oxidising agent and the reducing agent
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Quiz me: Where the metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the metals sit in the periodic table. A
Practice set: Density, melting point and hardness across the metals
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Quiz me: Where the non-metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the non-metals sit in the periodic tabl
Practice set: Making sulphur dioxide in the laboratory and testing it
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Real-life Nigeria: Non-metal compounds in Nigerian industry
Act as my SS2 Chemistry tutor. Show me where non-metal compounds in Nigerian industry turn
Calculation practice: A mixed set of first-term SS2 chemistry calculations
Act as my SS2 Chemistry tutor. Walk me through a mixed set of first-term SS2 chemistry cal
Practice set: Amphoteric substances and how they behave
Act as my SS2 Chemistry tutor. Give me five practice questions on amphoteric substances an