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Chemical Families

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					Chemical Families
Each Element As it Appears
   on the Periodic Table
Bohr Diagram Rules
Bohr Model Diagrams for
      Potassium
Bohr Models for the first 18
       Elements
5 Chemical Families
Noble Gases


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            Noble Gases

• Have full valence shells
• Unreactive and stable
• Ion charge is 0 (does not gain or lose e-
  ’s)
Hydrogen



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• A family of one
• Non-metal with 1 valence e-
• Reactive
• Will either lose or gain 1e- to become
  stable
• Ion charge is 1+ or 1-
                     Alkali Metals


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             Alkali Metals
•   Have 1 valence e-
•   Extremely reactive metals
•   Want to lose 1e- to become stable
•   Ion charge is 1+
Alkaline Earth Metals


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       Alkaline Earth Metals
•   Have 2 valence e-’s
•   Slightly reactive
•   Lose 2 e-’s to become stable
•   Ion charge is 2+
                                        Halogens
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              Halogens
• Have 7 valence e-’s
• Extremely reactive as they want to gain
  1 e- to become stable
• Ion charge 1-

				
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