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www.thoughtco › protons-neutrons-and-electrons Number of Protons, Neutrons, and Electrons in an Atom

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Subtract the charge from the atomic number if the ion is positive. If the charge is positive, the ion has lost electrons. To determine how many electrons are left, subtract the amount of charge from the atomic number. In this case, there are more protons than electrons.For a neutral atom, the number of electrons is the same as the number of protons. Often, the number of protons and electrons is not the same, so the atom carries a net positive or negative charge. You can determine the number of electrons in an ion if you know its charge. A cation carries a positive charge and has more protons than electrons.Generally, the number of electrons—alongside with protons and neutrons—in an atom can be determined from a set of simple rules. • The number of protons in the nucleus of the atom is equal to the atomic number (Z). • The number of electrons in a neutral atom is equal to the number of protons How to find the number of electrons in an atom. How to find the number of electrons in an atom.

www.wikihow › Find-the-Number-of-Protons How to Find the Number of Protons, Neutrons, and Electrons

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