What is the usual charge on an ion from group 7a

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asked Feb 25, 2018 111k views

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Petar Vasilev · Answer 1 · 2018-03-04T08:05:26+0000

Group 7a would have an ion charge of -1 because it has 7 valence electrons and it wants to gain one more electron(which is negative) to have a full shell of 8

What is the usual charge on an ion from group 7a

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