Across
- 5. has a definite shape
- 8. the characteristics of an element
- 10. the letter that represents an element
- 13. the space that a substance takes up
- 15. makes up everything
- 16. divide mass by volume
Down
- 1. takes the shape of its container
- 2. has a neutral charge
- 3. similar to weight of an atom
- 4. has a negative charge
- 6. wants to escape
- 7. the dense center of an atom
- 9. has a positive charge
- 11. first designed the periodic table
- 12. substance that can not be changed
- 14. how much an element weighs