Chemistry in Science 8

12345678910111213141516171819202122
Across
  1. 4. a number that indicates the number of atoms in a compound formula
  2. 6. negative particle in an atom
  3. 8. building block of matter
  4. 12. the fourth state of matter
  5. 13. neutral particle in an atom
  6. 14. the change of a gas directly to a solid
  7. 15. the law of _____ of mass
  8. 16. substance to the right of the arrow in a chemical equation
  9. 17. mass per unit volume
  10. 20. starting substance in a chemical reaction
  11. 21. physical property that describes the ability of a substance to dissolve
  12. 22. one indication of a chemical change
Down
  1. 1. the amount of space something takes up
  2. 2. the amount of matter in an object
  3. 3. the change of a gas to a liquid
  4. 5. description of a reaction using chemical formulas
  5. 7. a change in which new substances form
  6. 9. anything that has mass and takes up space
  7. 10. a chemical equation that has the same number of atoms of each element on each side
  8. 11. a physical property that does not depend on the amount of matter present
  9. 16. a property of matter that you can observe without changing the identity of the matter
  10. 18. the change of a solid to a liquid
  11. 19. a number that changes the amount of a reactant or a product