Arya Greer September 24 2024 Vocabulary Crossword puzzle Class PS 211 A

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Across
  1. 3. A model that states that all physical matter exists in the form of particles
  2. 4. The law that states that the masses of chemical substances combine in definite, characteristics integer ratios when forming compounds
  3. 5. A pure substance consisting of atoms of two or more elements that are chemically combined in a fixed ratio
  4. 7. The state of matter in which particles are close together but able to move around
  5. 9. The state of matter in which particles vibrate in fixed positions, giving a substance a fixed shape and volume
  6. 12. The state or matter in which particles are far apart, move rapidly, and have little interaction with each other
  7. 13. A material made of only one kind of element or compound
  8. 17. A particle consisting of two or more atoms covalently bonded together
  9. 18. The building block of all matter; consists of protons, electrons, and neutrons
  10. 19. A physical combination of two or more substances in a changeable ratio
Down
  1. 1. A mixture that has a uniform appearance throughout; also known as a solution, especially of a solid dissolved in a liquid
  2. 2. A mixture that does not have a uniform appearance since the combined substances are unevenly distributed
  3. 6. The force of gravity acting on the matter in an object
  4. 8. The measure of the amount of matter in an object
  5. 10. The mass per unit volume of an object
  6. 11. Anything that has mass occupies space
  7. 14. A pure substance that consist of atoms with the same atomic number
  8. 15. The space enclosed or occupied by an object
  9. 16. A gas-like state of matter, formed at very high temperatures, that consists of high-energy ions and free electrons