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An atom of any element must contain (1) an equal number of protons and neutrons (2) an equal number of protons and electrons (3) more electrons than neutrons (4) more electrons than protons

Samantha Barber

in Chemistry

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William Cain on September 12, 2018

An atom (which by definition is neutral) must have (2) an equal number of protons and electrons.If the number of protons and electrons are not equal, it becomes an ion.The number of protons and neutrons can vary widely depending on the substance and depending on the isotopes.


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