Across
- 1. constant movement spread out, bounce
- 7. energy levels
- 8. particle size is 0.01-1 nm
- 9. subtract the atomic # and the atomic mass
- 12. no longer have a 0 charge
- 13. very little movement, tightly paced together
- 14. matter made of more than one type of atom
- 15. represent only the valence electrons of an atom
Down
- 2. particle size larger than 1000 nm
- 3. particle size 1-1000 nm
- 4. pawwwwwwsitive
- 5. based on the atomic number
- 6. negative
- 10. matter made of only one type of atom
- 11. combination of 2 or more substances that are not chemically combined