3 Written questions
2 Multiple choice questions
- The mass in grams of one mole of any pure substance.
- The percent of mass of each element in a compound.
2 True/False questions
empirical formula → A formula that specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
molecular formula → A formula that shows the smallest whole-number mole ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.