<p>Name:______Date:______Per:______Periodicity assignment</p><p>1. In your own words, explain why atoms shrink as you go across a period.</p><p>2. What occurs to ionization energy as you go down a group?</p><p>3. Arrange in order of increasing electron affinity: Silicon, Rubidium, Chromium, Fluorine.</p><p>4. Arrange in order of decreasing electronegativity: Aluminum, Sulfur, Potassium, Calcium</p><p>5. What occurs to ionic radius as you go across a period? Name:______Date:______Per:______Periodicity assignment</p><p>1. In your own words, explain why atoms shrink as you go across a period.</p><p>2. What occurs to ionization energy as you go down a group?</p><p>3. Arrange in order of increasing electron affinity: Silicon, Rubidium, Chromium, Fluorine.</p><p>4. Arrange in order of decreasing electronegativity: Aluminum, Sulfur, Potassium, Calcium</p><p>5. What occurs to ionic radius as you go across a period?</p>