how many electrons does S2- have
Sulfur's atomic number is 16. Neutral sulfur would then have 16 protons and 16 electrons. Since we're dealing with S 2- though, we need to add 2 electrons to this, making 18.ulfur's atomic number is 16. Neutral sulfur would then have 16 protons and 16 electrons. Since we're dealing with S 2- though, we need to add 2 electrons to this, making 18.