What elements form ions with a charge of –1?

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asked Jan 5, 2020 184k views

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Emmanuel Villegas · Answer 1 · 2020-01-10T17:32:14+0000

The halogens (VIIA elements) all have seven valence electrons. All the halogens gain a single electron to fill their valence energy level. And all of them form an anion with a single negative charge.

What elements form ions with a charge of –1?

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