Across
- 5. chemical elements organized
- 6. molecule with an electron or lost
- 7. widely used metal
- 8. electron outermost shell
- 9. substance with shiny appearance and good conductors of heat and electricity
- 10. colorless gas
Down
- 1. average movement of energy
- 2. a chemical interacts with another chemical creating a new chemical.
- 3. a group of atoms bonded together
- 4. Measure of an object