Chemistry Crossword puzzle

2. separate mixture by passing it in solution or suspension or as a vapor through a medium.
4. Is expandable
6. a pure substance which cannot be broken down by chemical means.
8. Is not expandable
9. liquid to gas.
11. solid to liquid.
15. chemical substance composed of many identical molecules composed of atoms.
16. sort solid particles with different physical properties (size, colours, textures and shapes)
17. solid to gas.
18. separate pure substances in mixtures comprised of particles some of
19. is the physical combination of two or more substances.

1. gas to liquid
3. a mixture is a material made up of two or more different substances.
5. Has a definite shape
6. is a technique used to separate out homogenous mixtures.
7. are large enough in size to be captured with a porous materials.
10. is the process of separating components of mixtures by using magnets to attract magnetic materials.
11. is any substance that has mass and takes up space.
12. Is not expandable
13. a colorless, odorless reactive gas the chemical element of atomic number 8 and the life-supporting component of the air.
14. has the same proportions of its components throughout any given sample and is also referred to as solutions.