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AP Chem 21 Online
OpenStudy (emmaleelooney):

The atoms of Group 7A elements _____ electrons when they form ions. A. gain B. share C. lose D. cannot be determined

OpenStudy (nechirwan):

Group 7A elements are the halogens and form ions with charges of -1 as they gain one electron.

OpenStudy (emmaleelooney):

Thank You!! @nechirwan

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