250 prompts matching "Working out the oxidation state in a complex ion"
Explain back: Le Chatelier's principle stated
I have just studied Le Chatelier's principle stated in my SS2 Chemistry class. Let me expl
Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
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
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Practice set: Balancing a redox equation by half-equations
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Exam practice: The common oxidising and reducing agents and their tests
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Calculation practice: Balancing a redox equation in acidic solution
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Practice set: Density, melting point and hardness across the metals
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Calculation practice: Comparing metals by a density calculation
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Explain back: Extraction by reduction with carbon
I have just studied extraction by reduction with carbon in my SS2 Chemistry class. Let me
Spot my mistake: Proposing carbon reduction for a very reactive metal
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Explain back: The allotropes shown by some non-metals
I have just studied the allotropes shown by some non-metals in my SS2 Chemistry class. Let
Calculation practice: Predicting a non-metal's valency from its group
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Practice set: Making sulphur dioxide in the laboratory and testing it
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Practice set: The electrolysis of brine and the products it gives
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Calculation practice: Applying Faraday's first law to a calculation
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Calculation practice: Calculating pH from hydrogen ion concentration
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Exam practice: The procedure for a standard acid-base titration
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Explain back: Calculating the average titre correctly
I have just studied calculating the average titre correctly in my SS2 Chemistry class. Let
Practice set: The standard enthalpies of combustion and of neutralisation
Act as my SS2 Chemistry tutor. Give me five practice questions on the standard enthalpies