Chemistry

6. Particles can move around but are still close together. variable shape. fixed volume.
7. Most are solids at room temperature and are malleable and ductile.
9. Depends on the amount of matter in the sample.
10. Particles can be separate and move throughout the container. variable shape. variable volume.
12. A process that absorbs energy from the surroundings.
13. Particles vibrate but can't move around. Fixed shape. Fixed volume.
14. Depends on the type of matter, not the amount present.
15. Anything with mass that occupies space.

1. The smallest unit of an element that maintains properties of that element.
2. Process that releases energy into the surroundings.
3. Measure of the amount of matter.
4. Matter that has definite composition.
5. Particles collide with enough energy to break into charged particles. variable shape. variable volume.
8. The study of the composition, structure, and properties of matter and the changes it undergoes.
11. A measure of the amount of space that is occupied.