chemistry

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Across
  1. 4. A process where plants convert light energy into chemical energy-
  2. 7. The process where an element gains electrons
  3. 9. A chemical equation where the number of atoms of each element is the same on both sides
  4. 12. A representation of a chemical reaction using symbols and formulas
  5. 13. The process where an element loses electrons
  6. 14. A substance that speeds up a chemical reaction
  7. 15. A change in which substances are transformed into new substances
  8. 17. A homogenous mixture where one substance is dissolved in another
  9. 18. A reaction that absorbs heat
  10. 20. A solid that forms from a solution during a chemical reaction
Down
  1. 1. A chemical process involving rapid oxidation, often with fire
  2. 2. To become dispersed throughout a solvent
  3. 3. A reaction where one element replaces another in a compound
  4. 5. A form of energy often involved in chemical reactions
  5. 6. The starting substances in a chemical reaction
  6. 8. The substance that dissolves another substance in a solution
  7. 10. A slow chemical process that eats away metal surfaces
  8. 11. The substance formed after a chemical reaction
  9. 16. A reaction that releases heat
  10. 19. displacement A reaction where two compounds exchange ions