How do you know the charge of polyatomic ions?

How do you solve for Polyatomic Ions?

  • Answer:

    http://www.chemteam.info/Nomenclature/Nomenclature.html two written tutorials and two videos. Look for videos from Kahn Academy and kentchemistry. Cu+1 & C2H3O2-1 ---> CuC2H3O2 Cu+2 & C2H3O2-1 ---> Cu(C2H3O2)2 note the parentheses NH4^+ and SO4^2- ---> (NH4)2SO4 Mg^2+ and PO4^3- ---> Mg3(PO4)2 Make sure to look at the two videos which have mercury in the title. The mercury +1 ion is unusual. Hg2^2+ and NO3^- ---> Hg2(NO3)2 It is NOT reduced to HgNO3. Hg2^2+ is considered to be a polyatomic ion.

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http://www.chemteam.info/Nomenclature/Nomenclature.html two written tutorials and two videos. Look for videos from Kahn Academy and kentchemistry. Cu+1 & C2H3O2-1 ---> CuC2H3O2 Cu+2 & C2H3O2-1 ---> Cu(C2H3O2)2 note the parentheses NH4^+ and SO4^2- ---> (NH4)2SO4 Mg^2+ and PO4^3- ---> Mg3(PO4)2 Make sure to look at the two videos which have mercury in the title. The mercury +1 ion is unusual. Hg2^2+ and NO3^- ---> Hg2(NO3)2 It is NOT reduced to HgNO3. Hg2^2+ is considered to be a polyatomic ion.

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