Periodic Table

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Across
  1. 3. A state of matter that has no definite shape or volume
  2. 5. A measure of the force of gravity on an object
  3. 9. number of protons or electrons in an atom
  4. 11. The center of all atoms
  5. 12. Formed when two or more substance are combined physically
  6. 13. Symbol used to represent the elements on the periodic table
  7. 14. A state of matter that has definite shape and volume
  8. 15. Subatomic particles that have a negative charge
  9. 16. Measurement of how much mass of a substance is contained in a given volume
  10. 18. A substance will not dissolve in a solvent
  11. 20. Smallest unit of an element that still have the properties of that element
Down
  1. 1. Substance that is only made of 1 type of atom
  2. 2. The amount of space that matter occupies
  3. 4. Even smaller particles in an atom
  4. 6. Describes how an object looks, feels, or acts
  5. 7. Rows on the periodic table
  6. 8. A state of matter that has a definite volume but no definite shape
  7. 10. Anything that has mass and takes up space
  8. 17. Columns on the periodic table
  9. 19. Measure of amount of matter in an object