This brief quiz is to check your science knowledge. Good luck! .

First, please enter your first name here
Then enter answers one at a time clicking on the question mark to see if you are correct.
1. What is the most abundant element in the Universe?  
2. What is the name of the unit of matter that consists of a nucleus with a positive charge, and a set of electrons that move around the nucleus providing an equal but negative charge?
3. What chemical substance do a diamond, a pencil and charcoal all have in common?

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