Vocabulary words

2. A group of two or more than two atoms.
6. A type of matter that can flow and does not have a specific shape.
8. Organizes all discovered chemical elements in rows and columns.
9. The amount or quantity of heaviness or mass.
10. Describes how much space in an object or substance takes up.
11. Defined as the physical force exerted on an object.
15. Is anything that takes up space and can be weighed.
16. A characteristic that can be observed or measured without changing the identity of the substance.
17. Is any material that possesses physical properties.
20. A state of matter that the particles are far apart and are fast moving.

1. The amount of space occupied by a three-dimensional figure.
3. A characteristic of a substance in a chemical reaction.
4. A science that deals with the composition structrue and properties of substances.
5. Water that collects as droplets on a cold surface.
7. The standard unit of mass in the international system of units.
12. A simple substance that cannot be reduced to smaller chemical parts.
13. The degree or intensity of heat present.
14. The quantity of matter that take up a given object.
18. A state of matter that has a fixed shape, mass, and volume.
19. The smallest part of a substance.