Across
- 3. a visual description of a concept or process
- 4. the form of something
- 5. a substance with even particles
- 6. in an atom, has a negative charge
- 9. substance that can have its elements separated
- 10. in an atom, has a positive charge
- 11. a substance with 2 or more chemically bonded elements
- 12. _____s of the periodic table
Down
- 1. what makes up everything
- 2. a substance with uneven particles
- 7. can be a compound, mixture or element
- 8. in an atom, has a neutral charge
- 10. opposite of impure
