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Atom structure
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Write the formula clearly. Use subscript for chemical symbols.
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Lesson details & full guide
Mastery path · Chemical reactions
Step 0 of 3 · Diagram reactants, products, and energy flow for standard classroom reactions.
Concept goal
Lithium atom diagram with labeled nucleus and two shells.
Practice task
What is oxidized and what is reduced?
Mini project: Combustion cartoon with energy bar
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Path complete — view capstone →Safety: Simplified educational model. For learning and practice only — not professional-grade medical, engineering, or electrical documentation.
Drawing steps
- Draw small nucleus circle.
- Add p+ and n labels inside.
- Draw 1–2 electron shells as rings.
- Place electrons on rings.
Progress
Not started yet — start practicing to begin tracking.
Workspace mode
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