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H₂O molecule
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Size5
Write the formula clearly. Use subscript for chemical symbols.
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Lesson details & full guide
Diagram pack: Acids and Bases Basics
Stage 1/2: pH scale
Vocabulary to include
- Acid
- Base
- pH
- Salt
- Water
Drawing steps
- pH scale 0–14
- Examples at ends
- Neutralization equation
Formulas
- HCl + NaOH → NaCl + H₂O (example)
Real-life application
- Why does baking soda calm acid indigestion?
Common mistakes to avoid
- pH scale reversed
Safety: Simplified educational model. For learning and practice only — not professional-grade medical, engineering, or electrical documentation.
Drawing steps
- Draw oxygen as larger circle.
- Add two H atoms at an angle (not straight).
- Show two lone pairs on oxygen.
- Label bond angle approximately 104.5°.
Progress
Not started yet — start practicing to begin tracking.
Workspace mode
Saved on this device. Sign in to sync when your school enables cloud.