1. in Your Own Words, Explain Why Atoms Shrink As You Go Across a Period

Name:______Date:______Per:______Periodicity assignment

1. In your own words, explain why atoms shrink as you go across a period.

2. What occurs to ionization energy as you go down a group?

3. Arrange in order of increasing electron affinity: Silicon, Rubidium, Chromium, Fluorine.

4. Arrange in order of decreasing electronegativity: Aluminum, Sulfur, Potassium, Calcium

5. What occurs to ionic radius as you go across a period? Name:______Date:______Per:______Periodicity assignment

1. In your own words, explain why atoms shrink as you go across a period.

2. What occurs to ionization energy as you go down a group?

3. Arrange in order of increasing electron affinity: Silicon, Rubidium, Chromium, Fluorine.

4. Arrange in order of decreasing electronegativity: Aluminum, Sulfur, Potassium, Calcium

5. What occurs to ionic radius as you go across a period?