Chemistry

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Across
  1. 7. reaction, One compound breaks down into two or more simpler compounds or elements.
  2. 8. formula, A group of letters and subscript numbers that represent the make-up of chemical compounds.
  3. 9. An atom or a group of atoms that has an electrical charge either positive or negative.
  4. 10. displacement reaction, one element takes the place of another element in a compound.
Down
  1. 1. Reduced in concentration by being mixed with a liquid such as water. (H20)
  2. 2. reaction, Two or more reactants combine to produce a new product.
  3. 3. New substances produced in a chemical reaction.
  4. 4. reactions, A change in matter that produces new substances with new properties.
  5. 5. Substance that react together in a chemical reaction.
  6. 6. displacement reaction, The metal ions of two different compounds exchange places.