matter

3. Type of organic compound used as fuel and comes from plants or animals.
5. The process of a solid changing directly to gas.
7. Type of matter that can be separated by physical means.
8. Type of change that results in new substances with new properties.
12. Acids turn this type of litmus paper red.
16. A property that depends on the amount of matter.
17. A compound made from a metal and a hydroxyl group.
18. Mixture with visible components and multiple phases.
19. A property that does not depend on the amount of substance.
20. A substance made from two or more elements chemically combined in fixed proportions.

1. Mixture with uniform composition and properties throughout.
2. Has properties of both metals and nonmetals.
4. The most stable and nonreactive group in the periodic table.
6. General property of gases, where they spread to fill space.
9. Uniform and definite in composition; either an element or compound.
10. Type of change that alters appearance but not chemical composition.
11. Method used to separate solid from liquid using filter paper.
13. Simplest form of a substance that cannot be decomposed by chemical means.
14. Bases turn this type of litmus paper blue.
15. A homogeneous mixture of solute and solvent.