Misc: what is the element for the symbol Tl?

Questions

on airwolf, what instrument does hawke play?

on december 1, 1917, who opened boys town, a farm village for wayward boys, near omaha, nebraska?

on international automobile license plates, what country is represented by the letter e?

on irc, how do you ask age, sex, location?

on irc, what is a/s/l?