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Which statement describes the charge of an
electron and the charge of a proton?
(1) An electron and a proton both have a charge of 1.
(2) An electron and a proton both have a charge of 1.
(3) An electron has a charge of 1, and a proton has a charge of 1.
(4) An electron has a charge of 1, and a proton has a charge of 1.

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Greenleafable
I think that you didn't copy the answers correctly, because 1 and 2 are the same, and 3 and 4 are also the same here.
Anyways, the answer which is correct is that an electron has a charge of -1, and a proton has a charge of +1.
Electrons are negatively charged, whereas protons are positively charged. Neutrons are neutral. 

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