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When an atom looses an electron is called "a cation, when gains is called an "anion".

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What happens to electrons during ion formation?

During ion formation, electrons are either gained or lost by an atom. When electrons are lost, a positively charged ion forms (cation), and when electrons are gained, a negatively charged ion forms (anion). This process balances the number of protons and electrons in the atom to achieve a stable electron configuration.


An atom that has gained an electron is?

An atom that has gained an electron becomes a negatively charged ion.


What are Atoms that carry an electrical charge called because they have gained or lost electrons?

Atoms that carry an electrical charge because they gained or lost electrons are called ions. An atom that has lost electrons will be positively charged, and it is called cation. On the other hand, an atom that has gained electrons will be negatively charged, and it is called anion.


An atom that has gained or lost electrons is referred to as what?

An ion


What is an atom that has gained or lost electrons callled?

An atom that has gained or lost electrons is called an ion. If it gains electrons, it becomes a negatively charged ion (an anion), while if it loses electrons, it becomes positively charged (a cation).


What happens when a atom forms an ion?

The atom had either lost or gained one or more electrons forming and ion. Thus the ion has an overall electric charge.


What is an ion that has lost or gained electrons called?

An atom that has gained or lost electrons is called an ion. An atom that has gained one or more electrons becomes a negatively charged ion called an anion. An atom that has lost one or more electrons becomes a positively charged ion called a cation.


What happpens when an atom has lost an electron contact with an atom that has gained an electron?

It forms a new atom.


What happens with the electrons when an atom froms a cation and an anion?

A cation is an atom that has lost one or more electrons. An anion is an atom that has gained one or more electrons.


What is an atom that has gained or lost electrons and carries an electrical charge?

an ion


What is an atom that has gained or lost electrons and is no longer neutral?

Valance electron


What is the charge on a single atom that has not gained or lost electrons?

Such an atom would be neutral - no electric charge.