1. Chapter 6 The Periodic Table 6.2 Classifying the Elements
6.1 Organizing the Elements
6.2 Classifying the Elements
6.3 Periodic Trends
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2. Reading the Periodic Table
Group 1A - Alkali Metals
Group 2A - Alkaline Earth Metals.
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3. Electron Configurations in Groups
The Noble Gases
Group 8 elements
Sometimes called inert gases because they rarely take part in a reaction.
Nonmetals
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4. Electron Configurations in Groups
The Noble Gases
The s & p sublevels are completely filled
This explains why these elements are unreactive
Helium (He)
1s2
Neon (Ne)
1s22s22p6
Argon (Ar)
1s22s22p63s23p6
Krypton (Kr)
1s22s22p63s23p62d104s24p6
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5. Reading the Periodic Table
The nonmetals of Group 7A are called halogens.
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6. Electron Configurations in Groups
The Representative Elements
Groups 1A through 7A
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7. Electron Configurations in Groups
Transition Elements
B group - separates the A groups on left & right side of table
Have electrons in d orbitals.
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8. Electron Configurations in Groups
Inner Transition Elements
Elements that appear below the main body of the periodic table.
Have electrons in f orbitals.
Also referred to as the Rare Earth elements
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9. END OF 6.2
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