3 Written questions
2 Multiple choice questions
- The percent of mass of each element in a compound.
- The number 6.022 1367 × 10^23, which is the number of representative particles in a mole, and can be rounded to three significant digits: 6.02 × 10^23.
2 True/False questions
molecular formula → A formula that specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
mole → A compound that has a specific number of water molecules bound to its atoms.