Models of the Atom

Physics SSS3 First Term


Models of the Atom

Performance Objectives

Students should be able to;

  1. Describe Bohr Rutherford models of atom 
  2. Explain nucleon number and their relationship.
  3. Identify the radiation from radioactive substances using their characteristics.

Thompson Rutherford model


Modern atomic theory provides a reasonably satisfactory explanation of the properties of matter, the mechanisms of chemical change and the interaction of matter and energy. Such a theory emerged from the synthesis of the work of several scientists, only a few of which will be discussed here.

John Dalton (1766-1844) is generally credited as the father of the atomic theory but the early Greek philosophers were the.... View More

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