Journal: Refer to your Gizmo activity.
1. What is the general trend on the periodic table for atomic radius going left to right in a period? What do you think causes this trend?
2. What is the general trend on the periodic table for atomic radius going top to bottom in a group? What do you think causes this trend?

Class: Periodic Trends notes (see slides 1-14 of 2/26 attachment)

HW: Test #5 Tues. 3/3