Across
- 4. subratct the atomic number to get the number of nuetrons
- 5. Mass and volume
- 7. number of protons in an atom
- 11. the amount of space an object takes up
- 12. cannot be broken down
Down
- 1. particles move freely and take up all space
- 2. posive polly
- 3. made up of protons, nuetrons, and electrons
- 6. Enraged Elliot
- 8. the weight of an object
- 9. particles move near eachother
- 10. nuetrally charged