Across
- 1. -a substance that cannot be broken down into simpler substances.
- 5. mixture- mixing occurs between individual units
- 7. milk, blood
- 9. -any matter that has a fixed composition and definite properties.Ex.- Water, sugars, acids,
- 10. -he chemical symbols and numbers indicating the atoms contained in the basic unit of a substance.
Down
- 2. - a combination of more than one pure substance.
- 3. -a substance made of atoms of more than one element bound together.
- 4. -the smallest unit of a substance that exhibits all of the properties characteristic of that substance.
- 6. -is anything that has mass and occupies space
- 8. -the smallest particle that has the properties of an element.