Nomenclature of Some Special Cations. I. Cations that do not require Roman numerals: Previously you had learned that elements in Groups IA and IIA, and aluminum form cations of a. fixed charge. You are now going to add on to this list, a few more ions in the transition metals that. also do not require a fixed charge because they generally form only ions with charges as shown. below:
Take an example, if a recipe calls for 350 grams of plain flour, then you refer to a conversion table saying it's about 2.5 cups.
1 cup of granulated sugar equals 200 grams. 150 grams of sugar  equals 3/4 cup. This measurement will change based on what you are  measuring because grams measure mass and â¦ cups measure volume. + 115 others found this useful.