Instructions 20Q Game: These are similar to full games, but for quizzes larger than 20 questions it will randomly select 20 questions from within the set. This is a quick way to get in some studying of a topic.     
What element, atomic number 73, takes its name from the father of Niobe from Greek mythology?
Argon (Ar)
Tantalum (Ta)
Roentgenium (Rg)
Curium (Cm)