What's the Matter?

12345678910
Across
  1. 4. The amount of space something takes up
  2. 5. Matter that has definite volume by no definite shape
  3. 7. Negatively charged particle that orbit the nucleus
  4. 8. Matter that has no definite volume and no definite space
  5. 10. Positively charged particle found in the nucleus
Down
  1. 1. Building blocks of matter
  2. 2. Particle found in the nucleus that have no charge
  3. 3. The centre of an atom
  4. 6. Anything that has mass and takes up space
  5. 9. Matter that has both a definite shape and a definite volume