Content Outline

Massachusetts Science Framework Standard/s

Concepts Objective

Associated Mathematics Skills

Prerequisite skills

VI. Atomic Theory

   A. History

1.      Democritus

2.      Dalton

3.      Thompson

4.      Rutherford

5.      Bohr Model

6.      Electron Cloud

7.      Quantum Mechanical Model

   B. Atom Composition

1.      Subatomic particles

   a. Nucleus

      1. Protons

         a. Properties

      2. Neutrons

          a. Properties

    b. Electron Cloud

       1. Electrons

          a. Properties

    c. Quarks

2.      Atomic Number

3.      Atomic Mass

   C. Atomic Structure

       1. Shell diagram

       2. Lewis structures

          a. Valence electrons

       3. Quantum Levels

          a. s,p,d,f

          b. electron configuration

C2.1 Trace the development of Atomic Theory and the structure of the atom from the ancient Greeks to the present (Dalton, Thompson, Rutherford, Bohr and Modern Theory)

C2.2 Interpret Dalton’s atomic theory in terms of the Laws of Conservation of Mass, constant composition and multiple proportions

C2.3 Identify the major components of the nuclear atom (protons, neutrons and electrons) and explain how they interact

C4.2 Draw Lewis Dot Structures for simple molecules

· Explain Dalton’s atomic theory and describe why it was more successful than Democritus’s theory

· Compare and contrast Bohr’s model with the modern model of the atom

· State the charge, mass and location of each part of the atom according to the modern model of the atom

· Determine how many protons, neutrons and electrons an atom has, given its symbol, atomic number and mass number

· Addition

· Subtraction

· Use of the formula:

N^o = at. mass – at. #