This tests students on their knowledge of atoms, elements, compounds, and mixtures. Students will need to know how many protons, electrons, and neutrons are in an atom for a given element if they are given the periodic table. Students also need to know the charges of the subatomic particles. Students must know the difference between a compound and a mixture. This test is saved as a word document so you can tweak it to personalize it for your class. There are 13 multiple choice questions and 5 diagrams.