Crossword puzzle Chemistry three

Edit Answers
123456789101112131415161718
Across
  1. 2. state of matter with the most energy and with particle far apart.
  2. 4. two or more atoms joined together chemically and containing at least two or more different elements.
  3. 6. conversion of a liquid to a gas.
  4. 7. conversion of a gas directly into a solid without first being a liquid.
  5. 10. a mixture that is not of the same composition throughout.
  6. 14. a term used to describe the outermost electrons.
  7. 15. conversion of a solid directly into a gas without first becoming a liquid.
  8. 16. state of matter whose molecules do not move and has the least amount of energy.
  9. 17. a substance that is dissolved in a solution.
  10. 18. a subatomic particle with a positive charge.
Down
  1. 1. state of matter whose molecules are in contact, but can move.
  2. 3. indicates the number of protons in an atom.
  3. 5. conversion of a gas to a liquid.
  4. 8. a substance composed of only one type of matter.
  5. 9. a mixture of the same composition throughout
  6. 11. a subatomic particle with a negative charge.
  7. 12. the dissolving agent.
  8. 13. a term used to describe two or more atoms chemically bonded and made up of all the same elements or two or more different elements.