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Because they want to.

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Q: Why do some atoms form positive ions and some form negative ions?
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Related questions

Will atoms of a non metallic element form positive or negative ions?

Positive ions


How do positive and negative ions forms?

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


Do non metal elements only form positive ions?

Metals tend to form positive ions also known as cations.


Is arsenic positive negative or neutral?

Arsenic atoms are neutral and they form ions with valency of three.


Do ionic bonds form between ionized atoms?

Yes, only if there are both ions with positive charges and ions with negative charges among the ionized atoms.


Do positive ions form faster than negative ions?

yes positive ions are faster then negative ions


Negative ions form when atoms-blank-valence electrons?

Negative ions form when atoms GAIN valence electrons.


Can atoms have positive or negative charge?

Yes, if they are ions


Atoms gain or lose electrons to form ions?

They can do both to form ions. An ion simply means that there is an uneven distribution of charge, so it can be positive or negative.


Why do negative ions form?

Negative ions are formed when atoms accept electrons.


Does uranium have positive or negative ions?

Sin uranium is a metal it will form negative ions.


What has positive ions and can form ionic compounds?

Metals form positive ions and form ionic compounds with negative ions.