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Across
  1. 5. a measure of how much a substance reacts when it is mixed with another substance
  2. 6. a reaction where energy is released
  3. 8. a substance that has been disolved in an other substance
  4. 9. a glas or plastic container
  5. 10. an atom that has gained or lost one or more electrons
Down
  1. 1. an atom that receives electrons to form a chemical substance
  2. 2. any basic substances that is used in or produced by a reaction involving changes in the molecular structure
  3. 3. a set of at least two atoms chemically bonded together.
  4. 4. smallest unit of a chemical
  5. 7. a reaction where energy is taken from the environment