Across
- 5. the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance.
- 6. anything that has mass and occupies space
- 7. the smallest particle that has the properties of a element
- 8. the ability to change or move matter.
Down
- 1. the smallest unit of a substance that exhibits all of the properties characteristic of that
- 2. a substance that cannot be broken down into simpler substances.
- 3. particles can slide past one another
- 4. little free space between particles
- 5. substance made of atoms of more than one element bound together.
- 9. assumes the shape and volume of its container