Electron Affinity Gallery Walk
Periodic Table Unit
Students will be able to…
• Define electron affinity.
• Identify electron affinity trends.
• Explain why Noble Gases do not have electron affinity values.
• Identify and explain why anions tend to have larger electron affinity values than cations.
• Identify the element with the larger or smaller electron affinity when given elements to compare.
• Electron Affinity Gallery Walk – Teacher Instructions
• Electron Affinity Gallery Walk – Station Cards
• Electron Affinity Trend – Practice #1
• Electron Affinity Trend – Practice #2
• Electron Affinity Trend – Practice #3
• Electron Affinity Trend – Practice #4
• Electron Affinity Trend – Practice #1, #2, #3, #4 – KEY
(All items compiled in 1 PDF document. Document cannot be edited.)
Additional Required Materials:
(These items are not included in the purchase.)
• Sticky Notes OR Index Cards
• Tape (if using Index Cards)
• Periodic Table
1. Fix each station card to a piece of poster paper (or a white-board).
2. Place station cards around the room.
3. Place students in groups of 2-4.
4. Give each group 6 sticky notes/index cards, a writing utensil, and tape.
5. Each group will have five minutes to answer the question at the station and then tape the answer to the poster. Students should tape their answer backwards so that no one can see their answer!
6. Once each group has visited every station, ask students to flip the answers over. Students will turn the answers so ALL students can see ALL answers.
7. Give each group stickers.
8. Students will then have 2 minutes to revisit each station. When revisiting the station, students should place a sticker on what they believe is the best answer that was given.
9. Debrief the assignment as a class.
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