Across
- 2. A mixture that has a uniform appearance throughout; also known as a solution, especially of a solid dissolved in a liquid
- 5. he state of matter in which particles vibrate in fixed positions, giving a substance a fixed shape and volume
- 6. Building block of all matter; consists of protons, electrons, and (usually) neutrons.
- 10. Anything that has mass and occupies space.
- 11. The space enclosed or occupied by an object
- 12. The state of matter in which participles are far apart, move rapidly,and have little interaction with each other
- 13. A model that states that all ohysical matter exists in the form of particles
- 14. A mixture that has a uniform appearance since the combined substances are unevenly distributed.
- 17. A gas-like state of matter, formed at very temperatures, that consists of high-energy ions and free electrons.
- 18. A particle consisting of two or more atoms covalently bonded together
- 19. The state of matter in which particles are close together but able to move around
Down
- 1. The law that states that the masses of chemical substance combine in definite, characteristic integer ratios when forming compounds
- 3. The measure of the amount of matter in an object
- 4. A physical combination of two or more substances in a changeable ratio
- 7. The mass per unit volume of an object
- 8. The force of gravity acting on the matter in an object
- 9. A material made of only one kind of element or compound
- 15. A pure substance that consists of atoms with the same atomic number
- 16. A pure substance consisting of atoms of two or more elements that are chemically combined in a fixed ratio