500 prompts matching "Using pressure in millimetres of mercury with R in SI units"
Spot my mistake: Giving an ion the same configuration as its parent atom
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an ion the same configura
Calculation practice: Deducing valency from a given configuration
Act as my SS1 Chemistry tutor. Walk me through deducing valency from a given configuration
Calculation practice: Working out relative molecular mass from a formula
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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Chemistry at work: The international agreement behind chemical symbols
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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Calculation practice: Checking that an equation balances by counting atoms
Act as my SS1 Chemistry tutor. Walk me through checking that an equation balances by count
Real-life Nigeria: Equations for reactions seen in Nigerian daily life
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Chemistry at work: Why balanced equations matter in industry
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Spot my mistake: Leaving spectator ions in an ionic equation
Act as my SS1 Chemistry tutor. Show me a worked answer on leaving spectator ions in an ion
Calculation practice: Checking the charge balance in an ionic equation
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Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Chemistry at work: Ionic equations in analytical work
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Exam practice: Coordinate or dative bonding
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Spot my mistake: Showing electron transfer in a covalent compound
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Calculation practice: Predicting a compound's formula from the bonding type
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Exam practice: Giant and simple molecular structures compared
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Calculation practice: Predicting relative boiling points from structure
Act as my SS1 Chemistry tutor. Walk me through predicting relative boiling points from str