Across
- 1. Doesn't have a definite shape or volume.
- 5. Number that shows the amount of protons in a single atom of an element
- 6. Has a definite shape and volume
- 7. Negatively charged particle
- 8. Positively charged particle
- 9. The Atomic Mass rounded
- 12. The amount of space an object occupies
Down
- 2. The average mass of one atom in an element
- 3. Neutral particle with no charge
- 4. Pure substance that is made up of the same types of atoms
- 5. Smallest part of matter that still holds its characteristics
- 9. Anything that has volume and mass
- 10. Amount of matter in an object
- 11. Has a definite volume but not a definite shape.