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What is total charge of an atom?

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Anonymous

11y ago
Updated: 9/13/2022

Short Answer:

The total charge of an atom is the number of protons in the nucleus, minus the number of electrons around the nucleus. Normally, atoms have as many protons as electrons and the atom is neutral, otherwise, it is a negative ion with a charge of -1, -2, etc if it has extra electrons or +1, +2 etc if it is missing electrons and is a positive ion.

Explanation:

Atoms have a positively charged nucleus and a collection of negatively charged electrons around the nucleus. Because each proton in the nucleus has a positive charge of exactly the same size as the negative charge of an electron, when the normal atom has as many electrons as protons, the total charge of the atom is zero. It is a neutral atom.

If there is one more electron than than the number of protons, there is a net negative charge of -1. If the atom is missing an electron, the total charge is +1.

If an atom has one or more extra electrons, we say it is a negative ion and the total charge of the ion is -1 or -2 or "-" the number of extra electrons.

If an atom is one or more electrons, we say it is a positive ion and the total charge of the ion is +1 or +2 or "+" the number of missing electrons, i.e. the excess number of protons.

Total Charge = (number of protons) - (number of electrons).

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Rhett Strosin

Lvl 13
2y ago

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