September 25

Today in class we learned about periodic Trends in electronegativity, electron affinity, atomic radii, and ionization energy. We also covered how to find the number of valance electrons of the representative elements, using the periodic table.

http://www.scribd.com/doc/336327/Perodic-Trends



Homework:
Worksheet (due on test day)
Test on Monday

Test Topics:

Physical Properties of metals and nonmetals

Chemical Properties of alkali metals, noble gases

Chemical Families (be able to name 2 members from each family)

Periods

Trends (be able to compare the electronegativity, radii size, electron affinity and ionization energy strength of 2 elements.

Locate an element given group name and period

Determine number of valance electrons