1. all matter is made of what

2. The positive particles of an atom are

3. Particles in an atom that are neutral and have no charge are

4. The particles that are found in the nucleus of an atom are

5. Neutrons are _______________ particles.

6. The positive particles of an atom are called ___________.

7. The smallest part of an element is known as the

8. Which term defines a substance that is formed by the combination of elements using fixed amounts?

9. Which term defines any substance that cannot be broken down into a simpler substance?

10. What are the basic building blocks for all matter?