Across
- 4. A state of matter characterized by particles arranged in a fixed, regular pattern.
- 5. The process by which a substance changes from a liquid to a gas at its boiling point.
- 6. Anything that has mass and takes up space.
- 9. The mass of a substance per unit volume.
- 10. Change: A type of change that results in the formation of new chemical substances.
- 12. A state of matter characterized by particles that are close together but can move past one another.
- 13. The process by which a substance changes directly from a solid to a gas without passing through the liquid phase.
- 15. The basic unit of a chemical element.
Down
- 1. A substance formed when two or more chemical elements are chemically bonded together.
- 2. A state of matter characterized by particles that are widely dispersed and move randomly.
- 3. The capacity to do work or produce heat.
- 7. Change: A type of change in which the form of matter is altered but one substance is not transformed into another.
- 8. A pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
- 11. The process by which a substance changes from a solid to a liquid.
- 14. A substance containing two or more substances that are not chemically bonded together.