Crossword

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Across
  1. 2. A red-brown metal, the chemical element of atomic number 29.
  2. 4. Displacement Reaction A chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
  3. 7. Reaction A reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid.
  4. 9. A mixture of finely powdered aluminium and iron oxide that produces a very high temperature on combustion, used in welding and for incendiary bombs.
  5. 11. Displacement Reaction Type of reaction where part of one reactant is replaced by another reactant.
  6. 12. Reaction Two or more reactants combine to form a single product.
  7. 13. A substance that takes part in and undergoes change during a reaction.
Down
  1. 1. Equation A chemical reaction expressed in words rather than chemical formulas.
  2. 3. A substance that is formed as the result of a chemical reaction
  3. 5. Reaction The separation of a chemical compound into elements or simpler compounds
  4. 6. of Mass A relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants.
  5. 8. A substance which has a molecular structure built up almost or completely from a large number of similar units bonded together
  6. 10. Reaction Interaction of two or more chemicals that produces one or more new chemical compounds, or alters the properties of the mixed chemicals.