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For example, FeSO 4 is named iron(2+) sulfate (with the 2+ charge on the Fe2+ ions balancing the 2â charge on the sulfate ion), whereas Fe 2 (SO 4) 3 is named iron(3+) sulfate (because the two iron ions in each formula unit each have a charge of 3+, to balance the 2â on each of the three sulfate ions).
What is the electrical charge of a hydrogen atom? All atoms have no charge. Their charge is zero. Theyâre charge-neutral. There is exactly the same number of electrons and protons in an atom. Electrons have a charge of â [math]-e[/math] â and protons a charge of â [math]e[/math] â, where [math]e[/math] is the elementary charge and is [math]1.60217662 Ã 10^{-19}[/math] coulombs. So their charges cancel out. For hydrogen, it has 1 proton and 1 electron. (Atoms can also lose some of their electrons, thus becoming ions, which do have a charge.) _____