500 prompts matching "Working out the formula of an ionic compound from its charges"
Practice set: Separating a mixture of two miscible liquids
Act as my SS1 Chemistry tutor. Give me five practice questions on separating a mixture of
Practice set: Sublimation as a method of separation
Act as my SS1 Chemistry tutor. Give me five practice questions on sublimation as a method
Exam practice: Isotopy, with examples of isotopes
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Practice set: Ionic equations for precipitation reactions
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Exam practice: Ionic equations for neutralisation
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Practice set: Fertiliser, cement and soap manufacture in Nigeria
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Exam practice: Brownian motion as evidence for moving particles
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Spot my mistake: Saying the particles themselves melt when a solid melts
Act as my SS1 Chemistry tutor. Show me a worked answer on saying the particles themselves
Explain back: Atomic number and mass number
I have just studied atomic number and mass number in my SS1 Chemistry class. Let me explai
Calculation practice: Calculating relative atomic mass from isotopic abundance
Act as my SS1 Chemistry tutor. Walk me through calculating relative atomic mass from isoto
Explain back: Ions, and how an atom becomes one
I have just studied ions, and how an atom becomes one in my SS1 Chemistry class. Let me ex
Spot my mistake: Filling electron shells in the wrong order
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Exam practice: Writing and balancing a chemical equation
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Explain back: Molar mass and how it is found
I have just studied molar mass and how it is found in my SS1 Chemistry class. Let me expla
Explain back: Standard temperature and pressure
I have just studied standard temperature and pressure in my SS1 Chemistry class. Let me ex
Practice set: Applying the general gas equation to a problem
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Spot my mistake: Using an unbalanced equation in a stoichiometry calculation
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Explain back: What a base is, and what an alkali is
I have just studied what a base is, and what an alkali is in my SS1 Chemistry class. Let m
Practice set: Making an insoluble salt by mixing two solutions
Act as my SS1 Chemistry tutor. Give me five practice questions on making an insoluble salt
Spot my mistake: Choosing the wrong preparation method for a given salt
Act as my SS1 Chemistry tutor. Show me a worked answer on choosing the wrong preparation m