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Introductionairy() chemistry problem, SO4
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[QUOTE="Fishingaxe, post: 5464976, member: 485540"] [h2]Homework Statement [/h2] Ok, I recently started studying again after a 1.5 year break to pursue other things. I am trying to plow through this chemistry course, and I remember this forum where I basically got through my entire physics course because of the help of this forum which I greatly appreciate. Ok, this is very simple but I have a hard time understanding this. Why does sulphate have 4 oxygens and -2 charge. I have a series of questions in my course, and among it, it said to write the formula for Aluminium chloride for example, which I understand is AlCl3 since Al has +3 charge and Cl has -1 so there has to be 3 of Cl to even things out, right? But this problem with writing sodium sulphate has me confused. I see that Sulfur and Oxygen is combined to make sulphur, but why on Earth does it have to be 4 oxygens and 1 Sulfur? In my mind both needs 2e[SUP]-[/SUP] to be happy, so why can't they just share it? If one atom of Sulfur shares with 1 atom of Oxygen, wouldn't they be happy? They could share one electron each and be content? Do I just have to learn in my head that sulphate has the formula So4[SUP]2-[/SUP]? Likewise nitrate has NO3? I am sorry, I am just massively confused by this. Regards Sonny PS: If this is not worthy to be a thread I apologize, and if it is in the wrong place, please remove. [/QUOTE]
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Introductionairy() chemistry problem, SO4
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