Matter & Energy

5. the insoluble product of a reaction between two aqueous solutions
7. drawing of atoms and/or molecules frozen in time as a solid, liquid, or gas and as an element or compound
10. separation of a dissolved solid from a liquid by heating and evaporating the liquid
11. describes the way a substance will react or not react in a given situation
14. a trait that describes the way something looks, feels, or smells or how much of a substance there is
15. a mixture in which the particles are uniformly mixed, looks the same throughout
18. phase of matter that has no definite shape but has a definite volume
19. separating two liquids based on their boiling point
21. a reaction in which the composition of a substance is changed
22. phase of matter with definite shape and volume

1. a pure substance composed of two or more elements that are chemically combined in a deffinite proportion
2. a mixture in which the particles are not uniformly mixed, has layers
3. separation of liquids based on polarity
4. a molecule with two identical elements
6. reaction that releases heat, heat exits the system
8. phase of matter without a definite shape or volume
9. anything with mass and volume
12. a change that does not alter the chemical properties of a substance
13. separation of a liquid and a solid based on particle size
16. a substance that cannot be broken down by chemical means, found on the periodic table
17. reaction that absorbs heat, heat enters the reaction
20. substances physically combined in variable proportions