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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

What is Hg the chemical symbol for?

Question 3

The Alaska current is in which ocean?

Question 4

In degrees Celsius, at what temperature does the sea start to freeze?

Question 5

What name is given to a substance which reacts with an acid to form a salt plus water?

Question 6

When was the element hassium discovered?

Question 7

About how many stars are in the Milky Way?

Question 8

What name is given to vertical columns of elements in the Period Table?

Question 9

The Japanese Spider Crab can grow to what length?

Question 10

CO2 is the chemical formula for which gas?