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Yes it gains two electrons, because it already has 6 valence electrons..it gains two to make it an even 8 (because of the Octet Rule). Since it gains two electrons it makes it O^-2

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17y ago

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Related Questions

What kind of atoms gain electrons?

Generally non-metals gain electrons and form anions.


What is it called when gain of electrons or H?

Gain of electrons form anions (negative charged atoms).


How do positive and negative ions forms?

Atoms gain electrons to form negatively charged anions. Atoms lose electrons to form positively charged cations.


Do oxygen gain or lose electrons?

Oxygen is an oxidizer, it will gain electrons in a reaction to complete it's valence shell.


What kinds of elements forms anion after ionic bonding?

Non metals generally form anions. They gain electrons during ionic bonding.


Is aluminum sulfite a ionic or covalent?

Aluminum sulfite is an ionic compound. Aluminum is a metal that tends to lose electrons to form cations, while sulfite is a polyatomic ion composed of sulfur and oxygen that tends to gain electrons to form anions. When aluminum cations combine with sulfite anions, they form an ionic bond.


What kind element forms anion after ionic bonding?

Non metals generally form anions. They gain electrons during ionic bonding.


What group in the periodic table forms anions?

The elements in group-15 , 16 and 17 have 5,6 ad 7 valence electrons respectively , so they gain electrons to form anions.


What kind of element metal or nonmetal can form an anion?

Non-metals gain electrons. Hence, they can easily form anions.


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Do in ionic bonding atoms loose or gain electrons?

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