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1. The addition equation to represent how their charges combine to make the overall charge of the atom is + 1 + – 1 = 0

   How to write equation to represent charges of atom?

   A hydrogen atom has one positively charged proton and one negatively charged electron.

   An atom of every elements has an electron(negatively charged) and positively charge(proton) part.

   An atom as a whole is electrically neutral if the number of proton and electron are equal. They will cancel each other to make the atom neutral.

   Therefore, the addition equation to represent how their charges combine to make the overall charge of the atom is as follows;

   + 1 + – 1 = 0

   1 positively charged proton plus single negatively charged electron  = zero(neutral)

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