Content Outline

Massachusetts Science Framework Standard/s

Concepts Objective

Associated Mathematics Skills

Prerequisite skills

XII. Acids and Bases

   A.Properties

       1.Arrhenius definition

       2.Bronsted-Lowrey defnition

   B. Strengths

   C. pH scale

   D. Examples

 C8.1 Define Arrhenius’s theory of acids and bases in terms of the presence of hydronium and hydroxide ions and Bronsted’s theory of acids and bases in terms of proton donor and acceptor and relate their concentration to the pH scale

C8.2 Compare and contrast the nature, behavior,, concentration and strength of acids and bases

  a. Acid-base neutralization

  b. Degrees of dissociation or         ionization

  c. electrical conductivity

· Compare and contrast acids and bases using the two definitions.

· Relate the pH of a solution to the concentration and strength of a dissolved acid or base.

· Recognize several acidic and basic substances commonly found in homes