Across
- 2. a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
- 3. a mixture in which the composition is uniform throughout the mixture.
- 5. a theory that explains how the particles that make up a substance are arranged, and how they move and interact with each other.
- 8. a minute portion of matter.
- 9. the degree of compactness of a substance.
- 12. a mixture in which the composition is not uniform throughout the mixture.
- 13. a thing that is composed of two or more separate elements; a mixture.
- 14. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances
- 16. an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge
- 18. A substance that has a fixed chemical composition throughout
Down
- 1. a body's relative mass or the quantity of matter contained by it
- 2. a given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation.
- 4. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume.
- 5. anything that has mass and volume
- 6. the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- 7. a group of atoms bonded together
- 10. firm and stable in shape; not liquid or fluid.
- 11. the basic unit of a chemical element.
- 15. a coherent, typically large body of matter with no definite shape.
- 17. a substance made by mixing other substances together.