Multiple Choice
Which element has the greatest electron affinity (most energy released when a neutral atom gains an electron) among the following?
9. Electrons in Atoms and the Periodic Table
Periodic Trend: Electron Affinity (Simplified)
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Based on the simplified periodic trend that electron affinity generally becomes more negative (greater) up Group 17, which element is the most reactive (most “active”) halogen?
A
Iodine (I)
B
Chlorine (Cl)
C
Fluorine (F)
D
Bromine (Br)
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