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