Chemistry Unit Crossword
Across
- 3. Made up of more than one element
- 4. Building blocks
- 5. Makes up molecules
- 8. Not chemically combined with other substances
- 9. Electrons on the outermost shell
- 10. In group 8
- 11. 18 of them in the periodic table
- 12. Protons+Atoms
- 14. Substance that can't be broken into other substances
- 15. 8 of them in the periodic table
Down
- 1. Atomic number 1
- 2. Helium, Oxygen, Hydrogen, etc
- 6. Metal and Nonmetal characteristic
- 7. Make up most of the periodic table
- 13. He created the Periodic table