Chemical Reactions

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