What chemical compound makes up a pure snowflake?

Which 17th-century Benedictine monk is popularly credited with pioneering the making of champagne? Fans who wear foam "cheesehead" hats root for which NFL team? Anton Chekhov's grandfather bought his family's freedom for 3,500 rubles, as he had been born what? Chelsea Clinton, Tiger Woods and Dianne Feinstein all attended which university? Chemicals shrink Lily Tomlin in which 1981 Joel Schumacher film? Chemistry whiz Julius Kelp transforms himself into the suave Buddy Love in which 1963 comedy? Which KISS bass player dated Cher in the 1970s? Cher sings "The Shoop Shoop Song" over the closing credits of which 1990 film in which she starred?