Chemical Reactions

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Across
  1. 4. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  2. 7. A method of preventing corrosion, where the metal is coated with zinc metal
  3. 9. The name given to the process which causes atoms in reactants to rearrange into new products
  4. 11. A type of reaction that continually requires energy to be added to it
  5. 12. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  6. 15. Burning methane with oxygen will produce _________ __________ and water
  7. 18. During a chemical reaction, atoms are never created or ___________
  8. 19. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
Down
  1. 1. The compound formed when iron reacts with oxygen
  2. 2. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  3. 3. HCl
  4. 5. A type of reaction that proceeds naturally, without energy being continuously added to it
  5. 6. A group of atoms chemically joined together
  6. 8. Particles that make up matter
  7. 10. The substances at the beginning of a chemical reaction
  8. 13. The ________ properties of a metal determines how likely it is to corrode
  9. 14. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  10. 16. The substances at the end of a chemical reaction
  11. 17. The term given to the corrosion of iron
  12. 20. Atoms in substances are held together by chemical bonds that store ___________