What's the Matter?

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Across
  1. 4. Matter that has definite volume by no definite shape
  2. 6. The basic building block of matter
  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. Particle found in the nucleus that have no charge
  2. 2. The amount of space something takes up
  3. 3. The centre of an atom
  4. 5. Anything that has mass and takes up space
  5. 9. Matter that has both a definite shape and a definite volume