For two points each, give the proper name for each of the following compounds. BE PRECISE! 16) Na3PO4 17) Fe4C3 18) Ba(C2H3O2)2 19) SCl6 20) (NH4)2C2O4 For two points each, give the exact chemical formula for each of the following: 21) vanadium (III) perchlorate 22) ...