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

Respuesta :

lulu1991
The answer is B. gain. The elements from group 7a is F, Cl, Br, I... These elements has 7 electrons at the outer shell. And they are likely to gain one electron to stay at stable status.

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