Across
- 4. a element or substance that isn't a metal
- 6. a solid material that is hard, shiny, and heavy
- 7. forms a chemical element
- 9. is made of many different elements
- 10. the number of protons in the nucleus of an atom
- 12. trends in with elements properties on to increasing it's atomic number
- 13. a pure substance
- 14. has a positive charge
Down
- 1. has a negative charge
- 2. the relative capacity of an atom
- 3. an electron in the outer shell
- 5. the chemical transformation of one set of chemical substances to another
- 8. doesn't have a charge.
- 11. a group of atoms bonded together