Chemical reactions and equations word search BY EMAD

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Across
  1. 3. The capacity to do work or produce heat in chemical reactions.
  2. 5. A group of two or more atoms chemically bonded together.
  3. 7. A representation of a chemical reaction using symbols and formulae.
  4. 8. A reaction where simpler substances combine to form a complex compound.
  5. 9. A measure of the heat involved in a chemical reaction.
  6. 10. Formation of an insoluble solid from two solutions.
  7. 11. A chemical reaction that produces heat and light, usually with a flame.
  8. 12. A change where a new substance is formed with different properties.
  9. 13. A substance that changes the speed of a chemical reaction without being used up.
  10. 14. The smallest unit of an element that retains its properties.
Down
  1. 1. A pure substance made of only one kind of atom.
  2. 2. A chemical reaction that requires energy input to proceed.
  3. 4. The breakdown of a single compound into simpler substances.
  4. 6. Formation of reddish-brown substance on iron due to moisture.
  5. 7. The breakdown of a compound using an electric current.