Chemistry crossword

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Across
  1. 3. substance that is currently gas but normally is a liquid or solid at room temperature
  2. 9. depends on the amount of matter in the sample
  3. 10. separates a solid from the liquid in a heterogeneous mixture
  4. 13. not easily reversed
  5. 14. process that absorbs energy from the surroundings
Down
  1. 1. separates two or more substances by taking advantage of different boiling points
  2. 2. depends on the type of matter, not the amount present
  3. 4. smallest unit of an element that maintains properties of that element
  4. 5. beginning substances that start a reaction
  5. 6. a substance made from atoms of tow or more elements that are chemically bonded
  6. 7. have properties of both metals a non metals
  7. 8. Anything with mass that occupies space
  8. 9. process that releases energy into the surroundings
  9. 11. substances that are formed during the reaction
  10. 12. physical combination of 2 or more substances