3 Written questions
2 Multiple choice questions
- A formula that specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
- 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.
2 True/False questions
molar mass → The SI base unit used to measure the amount of a substance, abbreviated mol; one mole is the amount of a pure substance that contains 6.02 × 10^23 representative particles.
percent composition → The percent of mass of each element in a compound.