chapter 2 crossword 1

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Across
  1. 4. any reaction with an oxidation number
  2. 6. opposite of acid
  3. 8. how much of 1 substance is in 1 thing
  4. 9. The strength and vitality required for sustained physical or mental activity
  5. 10. A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  6. 11. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge
  7. 12. something that reacts
  8. 13. ion water molecule with extra hydrogen
  9. 15. Change in free energy is negative
  10. 19. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  11. 20. Makes up everything in the world
  12. 21. Join or be joined by a chemical bond
Down
  1. 1. being in solution
  2. 2. The bonding between a non-metal and a metal, that occurs when charged atoms attract after one loses one or more of its electrons
  3. 3. A half reaction in which a chemical species decreases is oxidation number usually resulting in gaining of electrons
  4. 5. A subatomic particle of about the same mass as a proton but without an electric charge
  5. 7. dissolves another thing
  6. 9. The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have
  7. 14. determine base or acid
  8. 16. Made up or consisting of several parts or elements
  9. 17. in batteries
  10. 18. The basic unit of a chemical element