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It depends! if an ion has 7 electrons on its outter region and it decides to gain 1 that would make it stable! if you have 8 on your second region and have an extra electron, you can loose it and the ion will be stable again!

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13y ago
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11y ago

You're thinking of polyatomic ions. These are groups of (usually) covalently bonded atoms which function together as a single unit, with a single overall charge, usually negative. They bond ionically with metals and occasionally other polyatomic ions that have a positive charge (though there aren't many like that.) Common examples are sulfate (SO4-2), hydroxide (OH-1) and phosphate (PO4-3).

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14y ago

Anions are negatively charged ions formed by gaining electrons.

Cations are positively charged ions formed by losing electrons.

(polyatomic)

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12y ago

The ions of molecules rather than atoms.

Thus sulfuric acid gives sulfate (-) and H (+) [ or really H3O+].

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Q: What types of ions are formed from groups of covalently bonded atoms which have gained or lost electrons?
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Related questions

Are monatomic ions covalently bonded atoms that have either gained or lost electrons?

No. Monatomic means there is only a single atom, this cannot be covalently bonded as this implies there are two or more atoms. Yes they have either gained or lost electrons.


Which types of ions are formed from group of covalently bonded atoms which have gained or lost electrons?

It depends! if an ion has 7 electrons on its outter region and it decides to gain 1 that would make it stable! if you have 8 on your second region and have an extra electron, you can loose it and the ion will be stable again!


Which types of ions are formed from groups of covalently atoms which have gained or lost electrons?

It depends! if an ion has 7 electrons on its outter region and it decides to gain 1 that would make it stable! if you have 8 on your second region and have an extra electron, you can loose it and the ion will be stable again!


Which types of ions are formed from groups of covalently bonds atoms which have gained or lost electrons?

It depends! if an ion has 7 electrons on its outter region and it decides to gain 1 that would make it stable! if you have 8 on your second region and have an extra electron, you can loose it and the ion will be stable again!


What is formed if electrons are gained or lost?

An ionic bond between the ions (formed from the atoms).


What type of bond is formed when electrons are gained and lost?

Ionic bonds are formed between positively charged atoms (lost electrons) and negatively charged atoms (gained electrons).


What is element compound ion and molecule?

An element is composed of only one kind of atom and cannot be broken down chemically. A compound is composed of atoms of two or more elements chemically bonded, and are either ionic or molecular. An ion is an atom that has gained or lost one or more electrons, developing a negative or positive charge, respectively. A molecule is two or more atoms covalently bonded.


Which type of bond are electrons gained or lost?

ionic bond is formed by the complete transfer of electrons


What is a bond between atoms in which electrons are lost or gained?

Ionic bond is formed between the ions.


Why is calcium oxide an ionic bond?

Calcium hydroxide has groups of covalently bonded atoms that have either lost or gained electrons. It is an ion made up of two or more atoms that are covalently bonded and that act like a single ion. ~Ayanna~ Your answer doesn't answer the question. ****************** This answer will: The covalent part is between the O-H of the hydroxide. In this instance, O and H always bond covalently. Calcium's bond with the OH, which is a separate subject, is ionic, as in Ca ++ : (OH -) x 2 Almost all compounds involving metals are ionic, so this is typical. That should clear it up


Which Bond is formed when electrons have been lost by one atom and gained by another atom?

Polyatomic This is for you A+ users


How does the size ofa negative ion compare to the size of the atom that formed it?

It is larger, because it has gained electrons.