Across
- 4. the number of protons in an atom
- 5. positively charged particles in the nucleus
- 6. anything that has mass and takes up space
- 10. the smallest part that makes up any matter
- 11. particle in the nucleus with no charge
- 12. the amount of space an object takes up
- 15. the number of protons and neutrons
Down
- 1. used to find the volume of an irregular solid
- 2. mass times gravity
- 3. a device used to measure the mass of a material
- 7. the amount of matter in an object
- 8. the center of an atom
- 9. the unit for mass
- 13. negatively charged particles outside of the nucleus
- 14. the unit for volume