Grade 9 Chemistry Review

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Across
  1. 3. Type of compound that is always solid at room temperature
  2. 5. Contributes to atomic mass but doesn't have a charge
  3. 9. Type of compound that is bad at conducting heat
  4. 10. Pure substance containing only one type of atom
  5. 12. Anything with mass
  6. 13. A atom with more or less electrons than protons
  7. 14. A mixture with even distribution of components
  8. 15. Is given or taken when an atom becomes an ion
  9. 16. Reaction with a metal and oxygen
  10. 17. Reactive gases - group 17 on the periodic table
Down
  1. 1. A substance with different compounds/elements
  2. 2. The type of reaction that happens when the products of a chemical reaction feel cold
  3. 4. Substance with the same type of molecule but different atoms
  4. 6. The atomic number tells you the amount of these in an atom
  5. 7. Type of atom that conducts heat well
  6. 8. The substances that are made in a chemical reaction
  7. 11. The type of reaction that is happening when a car burns gasoline
  8. 16. A substance that speeds up a chemical reaction