TASK DEFINITION: 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.
PROBLEM: Norman and Jensen created triangles in which they plot chemical species according to this quantity. In one model of this quantity, electrons distribute to minimize it. Besides the Allred-Rochow definition, Mulliken's original definition of this quantity involved taking the mean of the(*) electron affinity and the first ionization energy. Dissociation energies between two elements are used to calculate the Pauling scale of this quantity, on which fluorine has the highest value. For 10 points, name this property that refers to an atom's ability to attract electrons.

SOLUTION: Science

PROBLEM: One antagonist in this work leaves behind the head of Aeschere after killing him. Unferth argues that the success of this work's title character was due to luck. A villager steals a golden cup from a cave towards the end of this work. The title character beheads the corpse of a figure who had been attacking Herot and decides to help King Hrothgar at its beginning. At the end of this work, Wiglaf helps the protagonist battle a dragon which ultimately kills the hero. For 10 points, name this epic poem about a hero who killed the monster Grendel.

SOLUTION: Literature

PROBLEM: One character in this play receives a large income from the American businessman Ezra Wannafeller for delivering lectures on morality. At the end of this play, the protagonist marries Freddy Eynsford Hill. Another character in this play is a professor of phonetics who wagers his colleague, Colonel Pickering, that he can make a lower-class flower girl named Eliza Doolittle pass as a duchess. For 10 points, name this play by George Bernard Shaw.

SOLUTION:
Literature