Matte and Chemistry

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Across
  1. 1. pure substance made of only one kind of atom
  2. 4. definite volume and shape
  3. 6. verticle columns on periodic table
  4. 9. horizontal rows of elements
  5. 10. subatomic particle that has no charge
  6. 11. blend of two or more kinds of matter
  7. 13. smallest unit of element that maintains properties of elemt
  8. 16. solid,liquid,gas,plasma
  9. 19. mass of chemical element
  10. 20. mixtures uniform in composition
  11. 21. the combining power of an element
  12. 22. subatomic particle that has a positive charge
Down
  1. 2. positively charged region at the center of atom
  2. 3. the change of a state from a liquid to a gas
  3. 5. definite volume but indefinite shape
  4. 7. a tabular army of the chemical elements
  5. 8. the change of a state from a solid to liquid
  6. 12. a subatomic particle that has a negative charge
  7. 14. mixtures that are not uniform
  8. 15. has neither definite volume nor shape
  9. 16. substance able to disolve
  10. 17. number of protons in the nucleus of an atom
  11. 18. substance made from the atoms of 2 or more elements