Unit Description and Pretest: The Atom

This unit is designed to refresh details concerning the structure of the atom and its component parts.

There are four readings in this unit:

• The Structure of the Atom
  
• Atomic Notation
  
• The Electron
  
• Isotopes and Ions
  

Do I need to do this unit?

Answer these five questions to test your knowledege the material in this unit. A score of four (4) out of five (5) or better indicates you have sufficient mastery of the information in this unit!

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