1. Which of the following is not a state of substance?
2. How many elements have scientists discovered?
3. What is the smallest particle of an element called?
4. Which of the following is a non-metal?
5. Which of the following is a metal?
6. What is the smallest particle of a compound called?
7. What is a mixture of proteins, fat and water?
8. What is an alloy of zinc and copper?
9. What is the symbol of silver?
10. Which element has the symbol W?
11. What is the molecular formula of sugar?
Originally posted 2015-12-24 18:16:09.