Topic Details (Notes format)

Which is the lightest of the three main subatomic particles?

Which city in Austria is known for Mozart’s birthplace and the setting of ‘The Sound of Music’?

Which region in northern Chile and southern Peru is famed for dryness and astronomical observatories?

Which element has the chemical symbol "Db"?

Which ancient empire built the rock-cut city of Petra in Jordan?

Who discovered the sliding filament theory?

Which element has the chemical symbol "Cl"?

Which element has the chemical symbol "Ne"?

Which river forms part of the border between Mexico and the United States?

Who discovered radio waves?