Polymer

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Across
  1. 3. A normal product for cars
  2. 5. What happens when iron products are soaked in seawater
  3. 6. Chemical products we often use in our daily life
  4. 7. This is a substance or material consisting of very large molecules
  5. 9. an atom, molecule, or ion that has at least one unpaired valence electron.
Down
  1. 1. a chemical species that forms bonds with nucleophiles by accepting an electron pair
  2. 2. a chemical or chemical compound that initiates a chemical reaction
  3. 4. in chemistry, an atom or molecule that in chemical reaction seeks a positive center
  4. 8. in chemistry, any substance that increases the rate of a reaction without itself being consumed.
  5. 9. chemical raw materials that can be obtained from specific trees