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 61, takes its name from Greek mythology?
Promethium (Pm)
Protactinium (Pa)
Carbon (C)
Gadolinium (Gd)