Matter

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Across
  1. 3. the amount of matter in an object
  2. 5. firm and stable inshore not liquid or fluid
  3. 8. chemical property referring to the ability for a given substance to dissolve in a solvent
  4. 9. a gas is a state of matter with no defined shape or volume. Gases have their own unique behavior depending on a variety of variables such as temperature, pressure, and volume
  5. 11. the sum of protons and neutrons in the nucleus of an atom
  6. 13. the temperature at which a given solid will melt
  7. 15. the number of protons in the nucleus of an atom
  8. 17. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary
  9. 19. a subatomic particle of about the same mass as a proton but without electric charge, present in all atomic nuclei except those of ordinary hydrpgogen
Down
  1. 1. a liquids resistance to flow
  2. 2. the degree of compactness of a substance
  3. 4. the amount of space that a substance or objects occupies
  4. 6. a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors
  5. 7. the temperature at which a liquid boils and turns to vapor
  6. 10. a region around the nucleus of an atom where electrons are likely to be found
  7. 12. the basic unit of a chemical element
  8. 14. a stable subatomic particle occurring in all atomic nuclei, with positive electric charge equal in magnitude to that of an electron but of opposite sign
  9. 16. anything that has mass and takes up space
  10. 17. a substance that cannot be broken down into simpler substances
  11. 18. a state of matter with volume, bur no fixed shape