Across
- 1. there are two or more types of atoms in it
- 5. has a non-uniform composition and has two or more phases.
- 6. these are building blocks
- 8. this makes up everything.
- 9. an example of the is H2O.
- 10. is any metal is mixed with at least one other element.
Down
- 2. there are 118 of these organized into the periodic table.
- 3. example of this is NaCI
- 4. hold things like atoms together.
- 7. this is classified as a compound