Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Input: Marcus theory concerns their transfer, and Slater's rules are used to determine the amount they are shielded. In the DavissonGermer experiment, they were scattered off nickel targets, and Enrico Fermi is the namesake of a "sea" of them that can be present in the conduction band. Plates were set up to oppose the Earth's gravitational field and measure the charge of these leptons in Robert Millikan's oil drop experiment. Free radicals have an unpaired one of these particles, and the p subshell holds a maximum of six. FTP name these negatively charged particles that orbit around the nucleus of an atom.
Output:
Science