Parent plan · Week 31 · Redox, Cells & Nuclear Chemistry — launch — Physical Science: Chemistry
Parent teaching plan · 36 weeksUnits to teach or revisit
Chapter 11 · Redox, Cells & Nuclear Chemistry
Assigned readings
Develop this chapter question: How do electron changes differ from nuclear changes?
This week’s goals
- Explain models, species, arrows and axes before substituting values.
- Conserve the relevant atoms, charge, amount and energy account.
- Apply independently, state limits and revise from evidence.
Read Charge transfer and nuclear transformation need separate inventories at chapter launch and revisit it alongside this week’s linked units, figures and investigation.
Five flexible sessions, normally 50–60 minutes. Two core unit sessions are scheduled, with a third for selected demanding topics. Sample week uses a complete 90-minute paper plus about 30 minutes of corrections within two ordinary-hour equivalents.
Session 1 · Oxidation Numbers & Redox Equations — build the model
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Read the chapter background and unit language. Draw a first model, study the core explanation and Parts 1–2, trace each figure and attempt the visual questions/checks. Complete a first worked case with its answer covered.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its species and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the species, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
The sum must be zero: two +1 hydrogens require the two oxygens to sum to −2, or −1 each. Cu²⁺ is the oxidizing agent because it accepts electrons and causes Zn to oxidize; it is itself reduced.
- Use the supplied evidence and correct species/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 2 · Oxidation Numbers & Redox Equations — apply and explain
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Study Parts 3–4 and selected source-model prompts, then attempt the whole-unit application, illustrated practice and changed independent case. Explain a correction, revise the opening model and complete the exit check.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its species and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the species, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
Mg goes 0→+2 and is oxidized/reducing agent. Ag⁺ goes +1→0 and is reduced/oxidizing agent. One mole Mg transfers two moles electrons, consumed by two moles Ag⁺ in the selected complete account.
- Use the supplied evidence and correct species/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 3 · Extended calculation and transfer — Oxidation Numbers & Redox Equations
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Reconstruct a worked method without looking at its answer. Then solve this changed case, show intermediate steps and units, explain a limit and compare a second method where appropriate: For Mg+2Ag⁺→Mg²⁺+2Ag, identify oxidation, reduction, both agents and the electron amount per mole of Mg reacted.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its species and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the species, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
Mg goes 0→+2 and is oxidized/reducing agent. Ag⁺ goes +1→0 and is reduced/oxidizing agent. One mole Mg transfers two moles electrons, consumed by two moles Ag⁺ in the selected complete account.
- Use the supplied evidence and correct species/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 4 · Electrochemical Cells & Electrolysis — build the model
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Read the chapter background and unit language. Draw a first model, study the core explanation and Parts 1–2, trace each figure and attempt the visual questions/checks. Complete a first worked case with its answer covered.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its species and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the species, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
Electrons travel through the external wire; electrolyte/salt-bridge ion motion provides the internal ionic conduction and charge balance. Oxidation occurs at the anode. Terminal sign depends on the device and operating mode.
- Use the supplied evidence and correct species/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 5 · Electrochemical Cells & Electrolysis — apply and explain
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Study Parts 3–4 and selected source-model prompts, then attempt the whole-unit application, illustrated practice and changed independent case. Explain a correction, revise the opening model and complete the exit check.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its species and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the species, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
nCu=0.0100/2=0.00500 mol, giving 0.318 g. Competing reactions, incomplete recovery or measurement error can reduce observed target mass while total transferred charge is still accounted for elsewhere.
- Use the supplied evidence and correct species/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Submit this week
- Labeled first/revised models and intermediate calculations.
- Assigned practice and assessed attempts with explained corrections.
- Investigation record/report when assigned, identifying supplied versus collected data.
Parent / teacher weekly conference
Use actual written work to adjust support. Do not count a copied solution as independent mastery. Extend or redistribute time where needed; home-study records do not certify supervised or mandated laboratory requirements.
- Can each relevant symbol and unit be explained?
- Does the calculation conserve the appropriate quantities?
- Can the learner solve a changed case and explain an assumption?