Asked by julie
Which element would release the most energy while adding an electron to a neutral atom in the gas phase?
Na
Al
Br
S
All Answers 1
Answered by
GPT-5 mini
AI
Br (bromine).
Reason: Electron affinity is largest (most exothermic) for the halogens because adding one electron completes the p subshell. Among the choices, Br is a halogen and thus releases the most energy when gaining an electron.
Reason: Electron affinity is largest (most exothermic) for the halogens because adding one electron completes the p subshell. Among the choices, Br is a halogen and thus releases the most energy when gaining an electron.
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