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Supplemental Information

Supplemental Information. Lewis Dot Diagrams and Acids & Bases. H. Cl. Lewis Dot Diagrams. A symbolic way to represent the number of valence electrons that an atom contains. Lewis Dot Diagram – Rules. Write the symbol Determine the number of valence electrons

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  1. Supplemental Information Lewis Dot Diagrams and Acids & Bases

  2. H Cl Lewis Dot Diagrams • A symbolic way to represent the number of valence electrons that an atom contains.

  3. Lewis Dot Diagram – Rules • Write the symbol • Determine the number of valence electrons • Group the first pair of electrons together on the left of the symbol. • Spread out the remaining electrons until needing to pair them up.

  4. Lewis Dot Diagrams • Examples • Oxygen • Phosphorus • Carbon • Neon

  5. Acids and Bases • Based on two very reactive ions • H3O+ • Hydronium ion • OH- • Hydroxide ion • Relationship with water (H2O)

  6. Acids and Bases • Acids • A substance with excess hydronium ions • Bases • A substance with excess hydroxide ions

  7. pH Scale • A measure of the hydronium ion concentration in a solution. 0 -----------------------7----------------------14 Acidic Neutral Basic Battery Acid Apple Juice Pure Water Hand Soap Drain Cleaner

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