Across
- 2. the building blocks of everything
- 5. chemically connected
- 7. shows all of the elements
- 8. no charge in an atom
- 10. the make up of matter
- 11. when they look the same
Down
- 1. the positive charge of an atom
- 3. the building blocks of matter
- 4. when they look different
- 6. physically bonded
- 9. the negative charge of an atom