Across
- 4. equal to protons
- 6. no definite shape,definite volume
- 9. group 17 on the periodic table
- 11. what tool would you use to measure mass
- 12. negative charge
Down
- 1. number 6 on the periodic table
- 2. all changes of state are _______ change
- 3. everythings left of the arrow
- 5. the metric system is based on the number
- 7. what do we call atoms with a charge
- 8. has more than one element in it
- 10. definite shape, definite volume