Across
- 2. Anything that has gravity or mass
- 3. Positively charged thing in an atom
- 6. A group of atoms
- 9. Dioxide Co2
- 10. A group of elements
Down
- 1. H20
- 2. Many different elements that are together
- 4. Neutrally charged thing in an atom
- 5. Table table showing all the different elements
- 7. Negatively charged thing in an atom
- 8. the buildings block the all matter