The overall charge of the atom is always

answer:

the overall charge on an atom will depend on the ratio of protons to electrons in that atom. if the numbers match, the overall charge will be zero. it's a neutral atom. but if electrons have been "captured" or "loaned out" by the atom, an ion is created, and its charge will be negative if it has captured electrons, or positive if it has loaned out electrons. charge will vary by integer amounts, i.e., the charge will be -1, -2, -3, etc. for the capture of 1, 2, or 3 electrons, respectively, or +1, +2, +3, etc. for the loaning out of 1, 2, or 3 electrons, respectively. simple and easy.

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