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Cu(2-) does not exist, because Cu does not gain electrons at all being a metal. When it gives off two electrons Cu(2+) ions are formed.

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Cheyanne Tremblay

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2y ago
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8y ago

Cu(2-) does not exist, because Cu does not gain electrons at all being a metal. When it gives off two electrons Cu(2+) ions are formed.

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8y ago

The copper atom loss electrons and become Cu+ or Cu2+.

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7y ago

If you start with ANY neutral atom - it need not be copper - and add two electrons, you will get a net charge of -2, since each electron has a charge of -1.

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7y ago

It is -2.

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Q: What is the net charge of copper atom if it gain two electrons?
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Related questions

How the charge of an atom changes?

The gain and/or lose of electrons.


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when atoms gain electrons they acquire negative charge


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What describes what happens when an atom becomes an ion with a 2-charge?

An ion with a charge of 2- was an atom that lost 2 electrons to gain noble gas configuration.


How does an ion develop?

An ion is an atom with a charge. This means that the number of electrons does not match the number of protons, thus giving it a charge. If there are more electrons, it has a negative charge. If it has more protons, it has a positive charge. Remember though, an atom cannot lose or gain protons, only electrons.


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This atom gain two electrons and become an anion.


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An electron has a negative charge. If an atom loses an electron it creates an ion with a positive charge. If an atom gains an electron it creates an ion with a negative charge.


Would a chlorine atom lose electrons or gain electrons to become an atom?

A chlorine atom would gain one electron to become an ion because it tends to achieve a stable electron configuration by having a full outer shell of electrons.


Determine the typical charge for an atom?

An atom is always neutrally charged, with equal numbers of protons and electrons. As soon as elements lose or gain electrons, they become ions.