matter puzzle

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Across
  1. 2. is a gas like mixture consisting of charged particles
  2. 5. determined to react
  3. 8. is a combination of two or more substances in which each substance remains its own properties
  4. 10. a change that occurs without changing the identity of the substance
  5. 13. when two or more different elements bond together chemically
  6. 14. has neither a definite shape nor volume
  7. 15. has a definite volume but no definite shape
Down
  1. 1. is anything that has mass
  2. 3. is a substance that is made up of two or more atoms bonded together
  3. 4. that occurs that causes the identity of a substances to change
  4. 6. is matter that is made up of only one kind of atom
  5. 7. five senses
  6. 9. are small particles that is building block of matter
  7. 11. is a substance that consists only one type of atom
  8. 12. has a definite shape and volume