This tutorial ticket goes over: Rutherford's, Thomson's, Dalton, and Bhor's atomic theories, isotopes, ions, calculating percent composition, and lewis dot diagrams. This half sheet tutorial ticket is designed to help students study for upcoming tests, quizzes, or retests. There are 2 tickets per page. They are great to use in small groups, when multiple students come in for tutorials, or for one-on-one instruction. An answer key is included.