Year 9Acids & Bases
Acids & Bases
Understanding the pH scale, proton donors (acids), and hydroxide release (bases).
Key Concepts
- Acids have pH < 7 and release Hydrogen ions (H+).
- Bases have pH > 7 and release Hydroxide ions (OH-).
- Neutral substances (pure water) sit at pH 7.
Example Formulas & Reactions
Hydrochloric AcidHCl
Sodium HydroxideNaOH
Sulfuric AcidH2SO4