Chemistry

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Across
  1. 4. any atom or group of atoms that bears one or more charge
  2. 6. number of atoms or ions in one mole of a substance
  3. 8. A process where electrons are gained
  4. 10. Chemical reaction that releases heat
  5. 11. Reaction between an acid and a base
  6. 15. Chemical substance that speeds up reactions
  7. 16. where oxygen is added to a substance
  8. 17. mixture where particles are evenly distributed
Down
  1. 1. Substance made of two or more elements chemically combined
  2. 2. type of bonding in metals
  3. 3. Type of ion formed when an atom gains electrons
  4. 4. Type of bond formed by losing or gaining electrons
  5. 5. A process where gas turns into liquid
  6. 7. pH level of a strong acid
  7. 9. process by which electric current is passed through a substance
  8. 12. pH level of neutral substance
  9. 13. Ion with positive charge
  10. 14. Group elements in group 7