Particulate Nature of Matter

3. Chemical ____: A combination of symbols that represent the element in a compound and their proportions.
4. ____ energy: The total potential and kinetic energy of the particles if an object.
6. Chemical ____: The force that holds atoms together.
7. ____ mixture: A mixture in which substances are evenly distributed throughout the mixture.
8. ____ change: A form of energy travels through space as wave.
13. A measure of the average energy of motion of the particles of a substances.
14. A pure substances made of two or more elements chemically combined.
16. ____ change: A change in which energy is given off.
17. Anything that has mass and occupies space.
18. ____ energy: The energy of moving electrical charges.
21. A pure substance that cannot broken down into other substances by chemical or physical means.

1. A neutral particle made of two or more atoms joined by covalent bonds.
2. A well mixture containing a solvent and at least one solute that has the same properties throughout.
5. A single kind of matter that is pure and has a specific set of properties.
7. ____ mixture: A mixture in which pure substances are unevenly distributed throughout the mixture.
9. Law of ____ of matter, The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
10. Two or more substances that are mixed together but not chemically combined.
11. ____ change: A change in which energy is taken in.
12. properties A characteristics of a pure substances that can be observed without changing it into another substances. (Two words)
15. Chemical ____: A characteristics of a pure substance that describe its ability to change into a different substances.
19. ____energy: A form of potential energy that is stored in chemical bonds between atoms.
20. The basic particle from which all elements are made.