Answers26-27 CFISD TX-Chemistry A CRThe History and Arrangement of the Periodic TableQuestion 12
12
AssignmentMultiple Select

The History and Arrangement of the Periodic Table

Question 12 • *26-27 CFISD TX-Chemistry A CR

What are the trends and exceptions to the trends in electron affinity? Check all that apply.

Answer
A
The electron affinities of the elements in Group 17 are larger (more negative) than the elements in Group 1.
B
Electron affinities increase (become more negative) down a group.
C
Elements in Group 14 have larger (more negative) electron affinities than elements in Group 15.
D
Elements in Group 2 have very large electron affinities.
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