Across
- 3. A substance made of only one kind of atom.
- 4. A representation of the symbols of each element in a compound.
- 7. A mixture in which two or more substances are evenly mixed, but not bonded together.
- 9. Matter that can vary in composition.
- 10. A small particle that is the building block of matter.
- 11. A measure of how much matter is in an object.
- 12. The amount of space that a substance or object occupies.
Down
- 1. A small number that shows the ratio of elements in a compound.
- 2. A mixture in which the substances are not evenly mixed.
- 5. Anything that has mass and takes up space.
- 6. A substance made of two or more elements that are chemically joined in a specific combination.
- 8. Matter with a composition that is always the same.