Topic Details (Notes format)

Which element has the chemical symbol "Kr"?

Which element has the chemical symbol "Cr"?

Who discovered the Chauvet Cave paintings?

Which is the largest country in South America by area?

Who discovered radioactivity?

Who discovered cosmic microwave background radiation?

Which element has the chemical symbol "Sc"?

Which element has the chemical symbol "Db"?

Which ocean lies on the east coast of the United States?

In which city is the headquarters of the United Nations located?