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it neets to loose 2 electrons to have a full outer shell.

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When does an atom become an ion with a charge of 2 plus?

Barium has two electrons in its outermost shell, electrons carrying a negative charge. When the Barium atom becomes an ion, these two electrons are lost. Now the Barium atom has more protons than electrons, meaning a net positive charge of 2.


What is charge on barium ion?

2+


When an atom in no longer neutral it exists with a charge an atom that has a charge is called a?

When an atom is no longer neutral and has gained or lost electrons, it is called an ion. An atom that has gained electrons will have a negative charge (an anion), while an atom that has lost electrons will have a positive charge (a cation).


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

Such an atom would be neutral - no electric charge.


What is the charge on an atom that has lost four electrons?

It will be +4 relative to a proton's charge.


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.


What is an atom called that has lost valence electrons?

An atom that has lost valence electrons is called a cation. This causes the atom to have a positive charge due to having more protons than electrons.


What is an atom that has an electric charge because it lost or gained electrons?

An atom that carries an electrical charge because it has gained or lost electrons is called an "ion". An atom that has gained one or more electrons, and has a negative electrical charge, is called an "anion". An atom that has lost one or more electrons, and has a positive electrical charge, is called a "cation". The term "ion" is used to refer to both cations and anions collectively or non-specifically.


Is an ion an atom that has a net charge?

Yes, an ion is an atom that has gained or lost electrons, resulting in a net positive or negative charge. This charge is due to the imbalance between the number of protons and electrons in the atom.


An atom that has lost two electrons is called?

This atom become a cation with the electrical charge +2.


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

an ion


EXPLAIN why it is not possible to determine the type of atom by knowing the charge of the atom?

Knowing the charge of an atom only provides information on the number of electrons it has gained or lost. Different types of atoms can have the same charge if they have gained or lost electrons in the same proportion. Therefore, the charge alone is not sufficient to determine the type of atom.