Chemical reactions Vocabulary

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Across
  1. 2. substance that contains no water
  2. 4. mixture of gases that surrounds the Earth
  3. 7. positively charged ion
  4. 8. negatively charged ion
  5. 9. bond bond made between a metal and nonmetal formed through the transfer of electrons
  6. 11. a substance that is chemically combined with water
  7. 13. process manufacture of sulfur dioxide using sulfur and oxygen
  8. 15. or a reaction to occur, collide in the right orientation, and with sufficient energy.
  9. 19. loss of oxygen
  10. 20. minimum amount of energy required 4 a rxn
Down
  1. 1. a process in which one or more substances are changed into others
  2. 3. a chemical reaction that can both forwards and backwards
  3. 5. an ion made of several elements that are covalently bonded together
  4. 6. measure of how fast a chemical reaction occurs
  5. 10. substance that speeds up the rate of a chemical reaction
  6. 12. gain of oxygen
  7. 14. a protein that acts as a biological catalyst
  8. 16. chemical process that produces ammonia in large quantities
  9. 17. rate of both the forward and reverse reactions are the same
  10. 18. ion a charged particlemade from a sigle atom with an uneven number of protons and electrons