500 prompts matching "Forgetting to balance the equation before using mole ratios"
Exam practice: Isotopy, with examples of isotopes
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Spot my mistake: Thinking isotopes of an element react differently
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Explain back: The octet rule and chemical stability
I have just studied the octet rule and chemical stability in my SS1 Chemistry class. Let m
Chemistry at work: Electron configuration and the design of new materials
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Practice set: Writing the formulae of simple binary compounds
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Spot my mistake: Writing a formula without balancing the charges
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Chemistry at work: The international agreement behind chemical symbols
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Explain back: The state symbols and what each of them means
I have just studied the state symbols and what each of them means in my SS1 Chemistry clas
Exam practice: Balancing an equation by inspection
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Exam practice: Ionic equations for neutralisation
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Practice set: Predicting valency from the group number
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Calculation practice: Predicting the formula of a compound from group numbers
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Explain back: Covalent bonding and the sharing of electrons
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Calculation practice: Predicting a compound's formula from the bonding type
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Chemistry at work: Metallic bonding and the sea of electrons
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Explain back: Hydrogen bonding and the effects it produces
I have just studied hydrogen bonding and the effects it produces in my SS1 Chemistry class
Exam practice: Giant and simple molecular structures compared
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Project task: Comparing the properties of four given substances
Act as my SS1 Chemistry tutor. Set me a short practical or research task on comparing the