Chemistry definitions

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Across
  1. 4. a process that absorbs energy from the surroundings
  2. 6. substances that are formed during a reaction
  3. 9. 2 or more visibly distinct phases
  4. 10. a process that releases energy into the surroundings
  5. 11. matter that has definite composition
  6. 12. low kinetic energy
  7. 14. beginning substances that start a reaction
  8. 15. a energy possessed by an object due to its position
Down
  1. 1. separates solids and liquids
  2. 2. a pure substance made of only 1 kind of atom
  3. 3. only 1 visibly distinct phase
  4. 5. physical combination of 2 or more substances
  5. 7. the smallest unit of an element
  6. 8. very low kinetic energy
  7. 13. a substance that is currently a gas but normally is a solid or liquid