Across
- 1. Positive particle
- 5. Area around the nucleus
- 7. Number of protons
- 8. Anything that has mass and takes up space
- 10. Area with protons and neutrons
- 11. The ability to change matter
Down
- 2. Particle in the nucleus with no charge
- 3. Smallest unit of matter
- 4. More than one atom connected by a bond
- 6. Amount of matter in the nucleus
- 9. Smallest subatomic particle