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Chapter 6 (Trends (Electron Configurations (The number of electron in the…
Chapter 6
Trends
Electron Configurations
Each family shares similar properties
The number of electron in the outer most orbital dictates properties
Example- Group 18- filled and stable
Group 1- 1 electron and unstable
Research that is directed toward a practical goal or appilication
Atomic Radius vs atomic number
From left to right element gets smaller
Top to bottom element gets bigger hydrogen smallest and francium biggest
ionization energy
the amount of energy needed to move an electron
left to right energy need increases
top to bottom energy need decreases
electronrgrativity
ability to attract other electrons
nonmetals will have a higher electronrgrativity
important people
Mendeleev
Dobereniner
Lother meyer
Henry Mosley
Families
Group 1A - Group 18A
Periodic law
Periods