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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1

Which of these is defined as a chemical substance that consists of just one type of atom?

Question 2

In an element the number of protons is equal to the number of what?

Question 3

What type of wave is sound?

Question 4

What is the atomic mass of oxygen?

Question 5

Yogurt is produced by bacterial fermentation of what?

Question 6

Which two elements combine to make ammonia?

Question 7

If you press Control and the letter V while using a Windows application, what will happen?

Question 8

Johann Schroter spotted 20km Mountains on which plant in 1800?

Question 9

What year was the first transatlantic fibre-optic cable laid?

Question 10

Which of these elements' chemical symbols comes first alphabetically?