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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.


Which element will gain electrons to form an ion?

Elements that are more electronegative tend to gain electrons to form anions. Typically, nonmetals, such as chlorine, oxygen, and sulfur, will gain electrons to achieve a stable electron configuration, often resembling that of the nearest noble gas. For example, chlorine gains one electron to form a chloride ion (Cl⁻).


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.


Which tends to form anions when bonding with other elements?

Anions are negative ions, so any element that gains a negative charge in a chemical reaction. Some examples of elements that commonly do this are the halogens (flourine, chlorine, bromine, iodine, astatine) and oxygen.


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

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


Which type of elements gain electrons when they form bonds?

It is done by Non-metals and metalloids.They form anions