Across
- 2. water
- 7. 2 or more atoms held together by chemical bonds.
- 8. compounds contain...
- 9. contain millions or billions of atoms.
- 10. made up of protons neutrons and electrons.
- 11. 3/3 separating methods.
- 13. a mixture that is well mixed and difficult to separate.
- 14. sodium chloride
- 15. the fifth element in the periodic table.
Down
- 1. 2/3 separating methods.
- 2. doesn’t count as a molecule.
- 3. 2 or more substances not chemically combined.
- 4. hundred, around the amount of elements in the periodic table.
- 5. 2 or more different elements.
- 6. 1/3 separating methods.
- 12. horizontal rows in the periodic table.