First 15 Elements and Abbreviations of the Periodic Table

How many countries do you know? In this quiz, you've got 15:00 to name as many as you can. Go!

Fill in the map by guessing languages. When you guess a language, all the countries that use it as an official language will be filled in.

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Among these first names, click the ones where the average person in the U.S. with that name is at least 50 years old.