250 prompts matching "Predicting valency from the group number"
Calculation practice: Predicting a non-metal's valency from its group
Act as my SS2 Chemistry tutor. Walk me through predicting a non-metal's valency from its g
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
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: Catenation and the tetravalency of carbon
Act as my SS2 Chemistry tutor and quiz me on catenation and the tetravalency of carbon. As
Calculation practice: Working out the formula of an ionic compound from its charges
Act as my SS2 Chemistry tutor. Walk me through working out the formula of an ionic compoun
Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Spot my mistake: Assigning an oxidation number without checking the overall charge
Act as my SS2 Chemistry tutor. Show me a worked answer on assigning an oxidation number wi
Calculation practice: Working out the change in oxidation number
Act as my SS2 Chemistry tutor. Walk me through working out the change in oxidation number
Calculation practice: Calculating the mass of metal obtainable from an ore
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of metal obtainable fr
Calculation practice: Calculating the volume of a gas from a given mass
Act as my SS2 Chemistry tutor. Walk me through calculating the volume of a gas from a give
Calculation practice: Calculating the purity of a sample from titration data
Act as my SS2 Chemistry tutor. Walk me through calculating the purity of a sample from tit
Quiz me: The major air pollutants and where they come from
Act as my SS2 Chemistry tutor and quiz me on the major air pollutants and where they come
Real-life Nigeria: The test that distinguishes an alkane from an alkene
Act as my SS2 Chemistry tutor. Show me where the test that distinguishes an alkane from an
Calculation practice: Working out the repeating unit from a polymer structure
Act as my SS2 Chemistry tutor. Walk me through working out the repeating unit from a polym
Quiz me: The fractions obtained from crude oil
Act as my SS2 Chemistry tutor and quiz me on the fractions obtained from crude oil. Ask fi
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
Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of fertiliser from a m
Calculation practice: Calculating the mass of iron from a mass of ore
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of iron from a mass of
Spot my mistake: Balancing a nuclear equation without checking the mass number
Act as my SS2 Chemistry tutor. Show me a worked answer on balancing a nuclear equation wit
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