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Chemistry classes can be some of the most difficult classes for students. There are many formulas, numbers and calculations to be done and memorized. Students are responsible for many tasks during the school year. Studying the periodic table of the elements of chemistry and physics can be overwhelming. A periodic table study guide can help students remember the chemical numbers and atomic weights of elements. It can be viewed at any time the student has idle time. They can refer to eat while waiting in a line or when commuting on mass transportation. The guide is essentially a life saver.